You should probably use CTRL/CMD + F to find what you need.
A detailed index page (~5MB html, sorry) is available here.

ENG/Battle Cut-In.zip

ENG/Battle Dialogue (Anna - Cordelia).zip

ENG/Battle Dialogue (Corrin (F) - Gharnef).zip

ENG/Battle Dialogue (Great Knight - Lucina).zip

ENG/Battle Dialogue (Lucina (Masked) - Navarre).zip

ENG/Battle Dialogue (Niles - Rowan).zip

ENG/Battle Dialogue (Ryoma - Villager 2).zip

ENG/Battle Dialogue (Villager 3 - Xander).zip

ENG/Chapter-Specific Battle Dialogue (Prologue - Chapter 10).zip

ENG/Chapter-Specific Battle Dialogue (Chapter 11 - Chapter 21).zip

ENG/History Mode Dialogue.zip

ENG/Status Updates.zip

ENG/Intermission Dialogue.zip

ENG/Support Conversations (Anna and Caeda - Camilla and Sakura).zip

ENG/Support Conversations (Celica and Corrin (F) - Cordelia and Sakura).zip

ENG/Support Conversations (Corrin (F) and Frederick - Frederick and Hinoka).zip

ENG/Support Conversations (Frederick and Leo - Lyn and Marth).zip

ENG/Support Conversations (Lyn and Robin (F) - Takumi and Xander).zip

ENG/System Voice.zip

ENG/Battle Grunts.zip

JPN/JPN Battle Cut-In.zip

JPN/JPN Battle Dialogue (Anna - Cordelia).zip

JPN/JPN Battle Dialogue (Corrin (F) - Gharnef).zip

JPN/JPN Battle Dialogue (Great Knight - Lucina).zip

JPN/JPN Battle Dialogue (Lucina (Masked) - Navarre).zip

JPN/JPN Battle Dialogue (Niles - Rowan).zip

JPN/JPN Battle Dialogue (Ryoma - Villager 2).zip

JPN/JPN Battle Dialogue (Villager 3 - Xander).zip

JPN/JPN Chapter-Specific Battle Dialogue (Chapter 12 - Chapter 21).zip

JPN/JPN Chapter-Specific Battle Dialogue (Prologue - Chapter 11).zip

JPN/JPN History Mode Dialogue.zip

JPN/JPN Status Updates.zip

JPN/JPN Intermission Dialogue.zip

JPN/JPN Support Conversations (Anna and Caeda - Caeda and Marth).zip

JPN/JPN Support Conversations (Caeda and Tiki - Chrom and Lyn).zip

JPN/JPN Support Conversations (Chrom and Marth - Corrin (F) and Tiki).zip

JPN/JPN Support Conversations (Corrin (F) and Xander - Frederick and Leo).zip

JPN/JPN Support Conversations (Frederick and Lucina - Lissa and Takumi).zip

JPN/JPN Support Conversations (Lissa and Xander - Robin (F) and Tiki).zip

JPN/JPN Support Conversations (Robin (F) and Xander -Takumi and Xander).zip

JPN/JPN System Voice.zip

JPN/JPN Battle Grunts.zip

DLC/Awakening/eng/Awakening DLC Battle Cut-In.zip

DLC/Awakening/eng/Awakening DLC Battle Dialogue (Azura - Minerva).zip

DLC/Awakening/eng/Awakening DLC Battle Dialogue (Olivia - Tharja).zip

DLC/Awakening/eng/Awakening DLC History Mode Dialogue.zip

DLC/Awakening/eng/Awakening DLC Status Updates.zip

DLC/Awakening/eng/Awakening DLC Support Conversations (Azura and Olivia - Lissa and Owain).zip

DLC/Awakening/eng/Awakening DLC Support Conversations (Minerva and Olivia - Robin (M) and Tharja).zip

DLC/Awakening/eng/Awakening DLC System Voice.zip

DLC/Awakening/eng/Awakening DLC Battle Grunts.zip

DLC/Awakening/jpn/Awakening DLC JPN Battle Cut-In.zip

DLC/Awakening/jpn/Awakening DLC JPN Battle Dialogue (Azura - Minerva).zip

DLC/Awakening/jpn/Awakening DLC JPN Battle Dialogue (Olivia - Tharja).zip

DLC/Awakening/jpn/Awakening DLC JPN History Mode Dialogue.zip

DLC/Awakening/jpn/Awakening DLC JPN Status Updates.zip

DLC/Awakening/jpn/Awakening DLC JPN Support Conversations (Azura and Olivia - Lissa and Owain).zip

DLC/Awakening/jpn/Awakening DLC JPN Support Conversations (Minerva and Olivia - Robin (M) and Tharja).zip

DLC/Awakening/jpn/Awakening DLC JPN System Voice.zip

DLC/Awakening/jpn/Awakening DLC JPN Battle Grunts.zip

DLC/Fates/eng/Fates DLC Battle Cut-In.zip

DLC/Fates/eng/Fates DLC Battle Dialogue (Azura - Marth).zip

DLC/Fates/eng/Fates DLC Battle Dialogue (Niles - Xander).zip

DLC/Fates/eng/Fates DLC History Mode Dialogue.zip

DLC/Fates/eng/Fates DLC Status Updates.zip

DLC/Fates/eng/Fates DLC Support Conversations.zip

DLC/Fates/eng/Fates DLC System Voice.zip

DLC/Fates/eng/Fates DLC Battle Grunts.zip

DLC/Fates/jpn/Fates DLC JPN Battle Cut-In.zip

DLC/Fates/jpn/Fates DLC JPN Battle Dialogue (Azura - Marth).zip

DLC/Fates/jpn/Fates DLC JPN Battle Dialogue (Niles - Xander).zip

DLC/Fates/jpn/Fates DLC JPN History Mode Dialogue.zip

DLC/Fates/jpn/Fates DLC JPN Status Updates.zip

DLC/Fates/jpn/Fates DLC JPN Support Conversations.zip

DLC/Fates/jpn/Fates DLC JPN System Voice.zip

DLC/Fates/jpn/Fates DLC JPN Battle Grunts.zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC Battle Cut-In.zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC Battle Dialogue (Azura - Linde).zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC Battle Dialogue (Marth - Sakura).zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC History Mode Dialogue.zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC Status Updates.zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC Support Conversations.zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC System Voice.zip

DLC/Shadow Dragon/eng/Shadow Dragon DLC Battle Grunts.zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN Battle Cut-In.zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN Battle Dialogue (Azura - Linde).zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN Battle Dialogue (Marth - Sakura).zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN History Mode Dialogue.zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN Status Updates.zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN Support Conversations.zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN System Voice.zip

DLC/Shadow Dragon/jpn/Shadow Dragon DLC JPN Battle Grunts.zip