astvaitîsh
astvant
astvañt
astvañtem
astvatô
aštəma
āsu-
asūr-
asura-
asūra-
āsyah
âsyangh
âsyangha
at
aṯ
ât
âtar
ātar
ātar-
âtarsh
â-tat
a-tbish
atbishtô
atcâ
atcit
âterebyô
atha
athâ
athauruna
athaurune
athaurunem
athaurunô
athra
âthraêca
âthrãmca
âthrasca
âthrat
âthrava
âthravan
âthravanem
âthravanô
âthre
âthritîm
âthritya
âthrô
âthwyâni
âthwyânôish
âtrem
âtremca
âtre-saoka
Old Avestan