-al -ol a-a a-b a-q aaa aab aal aao aaq aar ab- aba abb abl abo abq abr al- ala alb all alo alq alr aoa aob aol aoo aor aqa aql aqo aqr ar- ara arb arl aro arq arr baa bab bal bao baq bar bba bbb bbl bbo bbq bbr bla blb bll blo blq blr boa bob bol boo boq bor bra brb brl bro brq brr la- laa lab lal lao laq lar lba lbb lbl lbo lbr lla llb lll llo llq llr loa lob lol loo loq lor lqr lra lrb lro lrr oaa oab oal oao oaq oar ob- oba obb obl obo obr ola olb oll olo oo- ooa oob ool ooo oor oqb oqo or- ora orb orl oro orr qaa qal qar qba qbq qoo qor qqq qra qrb qrl ra- raa rab ral rao raq rar rba rbb rbl rbo rbr rla rll rlo rlr roa rob rol roo ror rra rrb rrl rrq rrr