-al -ly -ol a-a a-b a-i aaa aab aai aal aao aay ab- aba abb abi abl abo aby ai- aia aib aii ail aio aiy al- ala alb ali all alo aly aoa aob aoi aol aoo ay- aya ayi ayl ayo baa bab bai bal bao bay bba bbb bbi bbl bbo bby bi- bia bib bii bil bio biy bla blb bli bll blo bly boa bob boi bol boo boy by- bya byi byl byo ia- iaa iab iai ial iao iba ibb ibi ibl ibo iby iia iib iii iil iio il- ila ilb ili ill ilo ily io- ioa iob ioi iol ioo iya iyo iyy la- laa lab lai lal lao lay lba lbb lbi lbl lbo lia lib lii lil lio lla llb lli lll llo lly loa lob loi lol loo loy lya lyl lyo o-i oaa oab oai oal oao ob- oba obb obi obl obo oby oia oib oii oil oio ola olb oli oll olo oly oo- ooa oob ooi ool ooo oya oyi oyl oyo yaa yab yai yal yao yay ybi ybl yby yii yio yli yll yly yob yoi yol yoo yoy yyb yyy