-al -ol a-a a-b aaa aab aah aal aao aap aar ab- aba abb abh abl abo abp abr aha ahb ahh ahl aho ahp ahr al- ala alb alh all alo alp alr aoa aob aoh aol aoo aop aor ap- apa apb aph apl apo app apr ar- ara arb arh arl aro arp arr b-p baa bab bah bal bao bap bar bba bbb bbh bbl bbo bbp bbr bha bhb bhh bhl bho bhp bhr bla blb blh bll blo blp blr boa bob boh bol boo bop bor bpa bpb bph bpl bpo bpp bpr bra brb brh brl bro brp brr haa hab hah hal hao hap har hba hbb hbh hbl hbo hbp hbr hha hhb hhh hhl hho hhp hhr hla hlb hlh hll hlo hlp hlr hoa hob hoh hol hoo hop hor hpa hpb hph hpl hpo hpp hpr hr- hra hrb hrh hrl hro hrp hrr l-p la- laa lab lah lal lao lap lar lba lbb lbh lbl lbo lbp lbr lha lhb lhh lho lhp lhr lla llb lll llo llp llr loa lob loh lol loo lop lor lpa lpb lph lpl lpo lpp lpr lra lrb lrh lro lrp lrr oaa oab oah oal oao oap oar ob- oba obb obh obl obo obp obr oha ohh ohl oho ohp ohr ola olb oll olo olp oo- ooa oob ooh ool ooo oop oor op- opa opb oph opl opo opp opr or- ora orb orh orl oro orp orr p-p paa pab pah pal pao pap par pba pbb pbl pbo pbp pbr pha phb phl pho php phr pla plb plh pll plo plp plr poa pob poh pol poo pop por ppa ppb pph ppl ppo ppp ppr pra prb prh prl pro prp prr ra- raa rab rah ral rao rap rar rba rbb rbh rbl rbo rbp rbr rh- rha rhb rhh rhl rho rhp rhr rla rlh rll rlo rlp rlr roa rob roh rol roo rop ror rpa rpb rph rpl rpo rpp rpr rra rrb rrh rrl rrp rrr