-al -ly -ol a-a a-b aaa aab aad aaf aal aao aay ab- aba abb abd abf abl abo aby ad- ada adb add adf adl ado ady af- afa afb afd aff afl afo afy al- ala alb ald alf all alo aly aoa aob aod aof aol aoo ay- aya ayd ayf ayl ayo baa bab bad baf bal bao bay bba bbb bbd bbf bbl bbo bby bda bdb bdd bdf bdl bdo bdy bfa bfb bfd bff bfl bfo bfy bla blb bld blf bll blo bly boa bob bod bof bol boo boy by- bya byd byf byl byo daa dab dad daf dal dao day dba dbb dbd dbf dbl dbo dby dda ddb ddd ddf ddl ddo ddy dfa dfb dfd dff dfl dfo dl- dla dlb dld dlf dll dlo dly doa dob dod dof dol doo doy dy- dya dyb dyd dyo dyy faa fab fad faf fal fao fay fba fbb fbd fbf fbl fbo fda fdb fdd fdf fdl fdo ffa ffd fff ffl ffo ffy fla flb fld flf fll flo fly foa fob fof fol foo foy fy- fya fyb fyo la- laa lab lad laf lal lao lay lba lbb lbd lbf lbl lbo lda ldb ldd ldf ldl ldo ldy lfa lfb lfd lff lfl lfo lla llb lld llf lll llo lly loa lob lod lof lol loo loy lya lyd lyf lyl lyo oaa oab oad oaf oal oao ob- oba obb obd obf obl obo oby oda odb odd odf odl odo of- ofa ofb ofd off ofl ofo ola olb old olf oll olo oly oo- ooa oob ood oof ool ooo oya oyd oyl oyo yaa yab yad yaf yal yao yay ybf ybl yby yda ydl ydo ydy yfa yfd yff yld yll yly yob yod yof yol yoo yoy yyb yyf yyy