-al -ly -ol a-a a-b aaa aab aad aal aao aay ab- aba abb abd abl abo aby ad- ada adb add adl ado ady al- ala alb ald all alo aly aoa aob aod aol aoo ay- aya ayd ayl ayo baa bab bad bal bao bay bba bbb bbd bbl bbo bby bda bdb bdd bdl bdo bdy bla blb bld bll blo bly boa bob bod bol boo boy by- bya byd byl byo daa dab dad dal dao day dba dbb dbd dbl dbo dby dda ddb ddd ddl ddo ddy dl- dla dlb dld dll dlo dly doa dob dod dol doo doy dy- dya dyb dyd dyo dyy la- laa lab lad lal lao lay lba lbb lbd lbl lbo lda ldb ldd ldl ldo ldy lla llb lld lll llo lly loa lob lod lol loo loy lya lyd lyl lyo oaa oab oad oal oao ob- oba obb obd obl obo oby oda odb odd odl odo ola olb old oll olo oly oo- ooa oob ood ool ooo oya oyd oyl oyo yaa yab yad yal yao yay ybl yby yda ydl ydo ydy yld yll yly yob yod yol yoo yoy yyb yyy