-al -ly -ol a-a a-b a-c aaa aab aac aal aao aay ab- aba abb abc abl abo aby ac- aca acb acc acl aco acy al- ala alb alc all alo aly aoa aob aoc aol aoo ay- aya ayc ayl ayo baa bab bac bal bao bay bba bbb bbc bbl bbo bby bca bcb bcc bcl bco bcy bla blb blc bll blo bly boa bob boc bol boo boy by- bya byc byl byo c-- caa cab cac cal cao cay cba cbb cbc cbl cbo cby cca ccb ccc ccl cco cl- cla clb clc cll clo cly co- coa cob coc col coo coy cya cyb cyc cyl cyo la- laa lab lac lal lao lay lba lbb lbc lbl lbo lca lcb lcc lcl lco lcy lla llb llc lll llo lly loa lob loc lol loo loy lya lyc lyl lyo oaa oab oac oal oao ob- oba obb obc obl obo oby oc- oca ocb occ ocl oco ola olb olc oll olo oly oo- ooa oob ooc ool ooo oya oyl oyo yaa yab yac yal yao yay ybc ybl yby yca ycc ycl yco ycy ylc yll yly yob yoc yol yoo yoy yyb yyc yyy