-al -ly -ol a-a a-b aaa aab aal aao aar aay ab- aba abb abl abo abr aby al- ala alb all alo alr aly aoa aob aol aoo aor ar- ara arb arl aro arr ary ay- aya ayl ayo ayr baa bab bal bao bar bay bba bbb bbl bbo bbr bby bla blb bll blo blr bly boa bob bol boo bor boy bra brb brl bro brr bry by- bya byl byo byr la- laa lab lal lao lar lay lba lbb lbl lbo lbr lla llb lll llo llr lly loa lob lol loo lor loy lra lrb lro lrr lry lya lyl lyo lyr oaa oab oal oao oar ob- oba obb obl obo obr oby ola olb oll olo oly oo- ooa oob ool ooo oor or- ora orb orl oro orr ory oya oyl oyo ra- raa rab ral rao rar ray rba rbb rbl rbo rbr rla rll rlo rlr rly roa rob rol roo ror roy rra rrb rrl rrr ry- rya ryo ryr ryy yaa yab yal yao yar yay ybl ybr yby yll ylr yly yob yol yoo yor yoy yra yro yyb yyy