-al -ly -ol a-a a-b a-t aaa aab aal aao aat aay ab- aba abb abl abo abt aby al- ala alb all alo alt aly aoa aob aol aoo aot at- ata atb atl ato att ay- aya ayl ayo ayt baa bab bal bao bat bay bba bbb bbl bbo bbt bby bla blb bll blo blt bly boa bob bol boo bot boy bta btb btl bto btt bty by- bya byl byo byt la- laa lab lal lao lat lay lba lbb lbl lbo lbt lla llb lll llo llt lly loa lob lol loo lot loy lta ltb ltl lto ltt lya lyl lyo lyt oaa oab oal oao oat ob- oba obb obl obo obt oby ola olb oll olo olt oly oo- ooa oob ool ooo oot ot- ota otb otl oto ott oya oyl oyo taa tab tal tao tat tay tba tbb tbl tbo tbt tla tll tlo tlt to- toa tob tol too tot toy tta ttb ttl tto ttt tty tya tyl tyo tyt yaa yab yal yao yat yay ybl yby yll ylt yly yob yol yoo yot yoy yta ytl yto ytt yyb yyt yyy