-al -ly -ol a-a a-b aaa aab aal aan aao aay ab- aba abb abl abn abo aby al- ala alb all aln alo aly an- ana anb anl ann ano any aoa aob aol aon aoo ay- aya ayl ayn ayo baa bab bal ban bao bay bba bbb bbl bbn bbo bby bla blb bll bln blo bly bna bnb bnl bnn bno boa bob bol bon boo boy by- bya byl byn byo la- laa lab lal lan lao lay lba lbb lbl lbo lla llb lll lln llo lly lna lnb lnl lnn lno loa lob lol lon loo loy lya lyl lyn lyo naa nab nal nan nao nay nba nbb nbl nbn nbo nla nlb nll nln nlo nly nna nnb nnl nnn nno no- noa nob nol non noo noy nya nyl nyn nyo nyy oaa oab oal oan oao ob- oba obb obl obn obo oby ola olb oll oln olo oly on- ona onb onl onn ono ony oo- ooa oob ool oon ooo oya oyl oyo yaa yab yal yan yao yay ybl yby yll yly yna ynn yny yob yol yon yoo yoy yyb yyy