-al -ly -ol a-a a-b aaa aab aal aao aav aay ab- aba abb abl abo abv aby al- ala alb all alo alv aly aoa aob aol aoo aov av- ava avb avl avo avy ay- aya ayl ayo baa bab bal bao bav bay bba bbb bbl bbo bby bla blb bll blo blv bly boa bob bol boo bov boy bva bvb bvl bvo bvv by- bya byl byo la- laa lab lal lao lav lay lba lbb lbl lbo lbv lla llb lll llo llv lly loa lob lol loo lov loy lva lvb lvl lvv lya lyl lyo oaa oab oal oao oav ob- oba obb obl obo obv oby ola olb oll olo oly oo- ooa oob ool ooo oov ov- ova ovb ovl ovo ovv oya oyl oyo v-a vaa vab val vao vav vay vba vbl vbo vbv vl- vla vlb vll vlo vlv vly voa vob vol voo vov voy vva vvb vvo vvv vyl yaa yab yal yao yav yay ybl yby yll yly yob yol yoo yoy yva yvo yvy yyb yyy