what 2 letter words end with a?

There are a lot! Here's a small sample:

Aahed

Aalii

Aargh

Abaca

Abaci

Aback

Abaft

Abaka

Abamp

Abase

Abash

Abate

Abaya

Abbas

Abbes

Abbey

Abbot

Abeam

Abele

Abets

Abhor

Abide

Abled

Abler

Ables

Abmho

Abode

Abohm

Aboil

Aboma

Aboon

Abort

About

Above

Abris

Abuse

Abuts

Abuzz

Abyes

Abysm

Abyss

Acari

Acerb

Aceta

Ached

Aches

Achoo

Acids

Acidy

Acing

Acini

Ackee

Acmes

Acmic

Acned

Acnes

Acock

Acold

Acorn

Acred

Acres

Acrid

Acted

Actin

Actor

Acute

Acyls

Adage

Adapt

Addax

Added

Adder

Addle

Adeem

Adept

Adieu

AdiOS

Adits

Adman

Admen

Admit

Admix

Adobe

Adobo