1: acous/o
2: a - , an-
3: ab-
4: abdomin/ o
5: -ac
6: arc/ o
7: -acusis
8: -ad
9: aden/ o
10: adip/ o
11: adren/o
12: aer/ o
13: -al
14: albumin/ o
15: -algia
16: allo-
17: alveol/ o
18: ambi
19: -an
20: ana-
21: an/o
22: andr/o
23: angi/o
24: appendic/ o
25: ankly/ o
26: ante-
27: anti-
28: aort/o
29: aque/o
30: -ar
31: -arche
32: arerio
33: arthr/o
34: articulo
35: -ary
36: -ase
37: -asthenia
38: -ation
39: atri/o
40: audi/o
41: aur/i
42: auto