aid:0
ailing:60
ailment:96
aim:117
aim at:174
aimless:218
air:239
air precautions:333
air-base:381
air-brake:398
air-jacket:430
air-lift:491
air-liner:559
air-mail:591
air-port:621
air-raid:638
air-route:668
air-tight:700
air-tube:727
airconditioned:763
aircraft:820
airfield:835
airforce:852
airman:893
airplane:921
airshelter:939
airship:964
airway:983
airy:1015
aisle:1063