- ah
- aye
- aha
- alas
- amen
- ay
- aah
- aargh
- aw
- ar
- ach
- ahem
- ahh
- alleluia
- aagh
- adieu
- a-ha
- aww
- aaargh
- arrivederci
- aloha
- au revoir
- AOL
- arrividerci
- avast
- a
- areet
- affirmative
- aooga
- avaunt
- aoogah
- a-choo
- adios
- ach-y-fi
- alreet
- absit omen
- Appendix:Gestures/pointing at eyes then listener
- alright
- abso-fucking-lutely
- à bas
- alrighty
- ahooga
- ay
- ay me
- ahoy
- ay oop
- ay up
- ahoy-hoy
- aroo
- ay, chihuahua
- arooga
- aroogah
- awooga
- awoogah
- alack
- amidships
- alack and alas
- alackaday
- agogare
- ahuh
- awreet
- amirite
- awright
- adzooks
- aww yeah
- ai yah
- atta boy
- aye man
- alakazam
- atta girl
- alley oop
- arp
- attaboy
- absolutely
- allez oop
- alpha and omega
- Allah akbar
- Allahu akbar
- arr
- afternoon
- arf
- attagal
- ayo
- arrah
- andele
- attagirl
- aw man
- aw shucks
- aw well
- ayoo
- a little bit of bread and no cheese
- about sledge
- ack
- ack
- agh
- aiee
- aunt nell
- aieee
- any time
- astaghfirullah
- ayubowan
- action
- ayuh
- all hail
- ayup
- all hands on deck
- alhamdulillah
- alhamdullilah
- arré
- as if
- aarrgh
- aarrghh
- anend
- ay^
- aikona
- achoo
- arigato
- a'right
- away
- Appendix:Gestures/reverse V-sign
- Ah
- ah me
- alas and alack
- Abyssinia
- ah well
- assalamu alaikum
- ah-choo
- assalamu alaykum
- anytime
- argh
- ag
- aiya
- all right
- all righto
- arrey
- aiyee
- all righty
- attention
- ahchoo
- agad
- asdfghjkl
- all systems go
- augh
- anchor's aweigh
- aweel
- applesauce
- abracadabra
- aaagh
- as you like
- as you were
- all the best
- as you wish
- atishoo
- atchoo
- allrighty
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.