-al -ly -ol a-a a-b aaa aab aal aao aar aav aay ab- aba abb abl abo abr abv aby al- ala alb all alo alr alv aly aoa aob aol aoo aor aov ar- ara arb arl aro arr arv ary av- ava avb avl avo avr avy ay- aya ayl ayo ayr baa bab bal bao bar bav bay bba bbb bbl bbo bbr bby bla blb bll blo blr blv bly boa bob bol boo bor bov boy bra brb brl bro brr brv bry bva bvb bvl bvo bvr bvv by- bya byl byo byr la- laa lab lal lao lar lav lay lba lbb lbl lbo lbr lbv lla llb lll llo llr llv lly loa lob lol loo lor lov loy lra lrb lro lrr lrv lry lva lvb lvl lvr lvv lya lyl lyo lyr oaa oab oal oao oar oav ob- oba obb obl obo obr obv oby ola olb oll olo oly oo- ooa oob ool ooo oor oov or- ora orb orl oro orr orv ory ov- ova ovb ovl ovo ovv oya oyl oyo ra- raa rab ral rao rar rav ray rba rbb rbl rbo rbr rla rll rlo rlr rly roa rob rol roo ror rov roy rra rrb rrl rrr rva rvb rvl rvo rvr rvv rvy ry- rya ryo ryr ryy v-a vaa vab val vao var vav vay vba vbl vbo vbr vbv vl- vla vlb vll vlo vlv vly voa vob vol voo vor vov voy vra vrb vrr vry vva vvb vvo vvr vvv vyl yaa yab yal yao yar yav yay ybl ybr yby yll ylr yly yob yol yoo yor yoy yra yro yva yvo yvr yvy yyb yyy