-al -ly -ol a-a a-b aaa aab aal aao aax aay ab- aba abb abl abo abx aby al- ala alb all alo alx aly aoa aob aol aoo aox ax- axa axl axo axx ay- aya ayl ayo ayx baa bab bal bao bax bay bba bbb bbl bbo bbx bby bla blb bll blo blx bly boa bob bol boo box boy bxb bxl bxo bxx by- bya byl byo la- laa lab lal lao lax lay lba lbb lbl lbo lbx lla llb lll llo lly loa lob lol loo lox loy lxo lxx lya lyl lyo lyx oaa oab oal oao oax ob- oba obb obl obo obx oby ola olb oll olo oly oo- ooa oob ool ooo oox ox- oxa oxb oxo oxx oxy oya oyl oyo xaa xal xbl xbx xla xlb xoa xoo xox xxl xxo xxx xxy xyl xyy yaa yab yal yao yax yay ybl yby yll yly yob yol yoo yox yoy yxa yxy yyb yyy