-ol b-p bbb bbh bbl bbo bbp bbr bhb bhh bhl bho bhp bhr blb blh bll blo blp blr bob boh bol boo bop bor bpb bph bpl bpo bpp bpr brb brh brl bro brp brr hbb hbh hbl hbo hbp hbr hhb hhh hhl hho hhp hhr hlb hlh hll hlo hlp hlr hob hoh hol hoo hop hor hpb hph hpl hpo hpp hpr hr- hrb hrh hrl hro hrp hrr l-p lbb lbh lbl lbo lbp lbr lhb lhh lho lhp lhr llb lll llo llp llr lob loh lol loo lop lor lpb lph lpl lpo lpp lpr lrb lrh lro lrp lrr ob- obb obh obl obo obp obr ohh ohl oho ohp ohr olb oll olo olp oo- oob ooh ool ooo oop oor op- opb oph opl opo opp opr or- orb orh orl oro orp orr p-p pbb pbl pbo pbp pbr phb phl pho php phr plb plh pll plo plp plr pob poh pol poo pop por ppb pph ppl ppo ppp ppr prb prh prl pro prp prr rbb rbh rbl rbo rbp rbr rh- rhb rhh rhl rho rhp rhr rlh rll rlo rlp rlr rob roh rol roo rop ror rpb rph rpl rpo rpp rpr rrb rrh rrl rrp rrr