-ol b-p bbb bbg bbl bbo bbp bbr bgb bgg bgl bgo bgp bgr blb blg bll blo blp blr bob bog bol boo bop bor bpb bpg bpl bpo bpp bpr brb brg brl bro brp brr g-p gbg gbl gbo gbp gbr ggb ggg ggo ggp ggr glb glg gll glo glp glr gob gog gol goo gop gor gpb gpg gpl gpo gpp gpr grb grg grl gro grp grr l-p lbb lbg lbl lbo lbp lbr lgb lgg lgl lgo lgp lgr llb llg lll llo llp llr lob log lol loo lop lor lpb lpg lpl lpo lpp lpr lrb lrg lro lrp lrr ob- obb obg obl obo obp obr ogg ogl ogo ogp olb olg oll olo olp oo- oob oog ool ooo oop oor op- opb opg opl opo opp opr or- orb org orl oro orp orr p-p pbb pbg pbl pbo pbp pbr pgb pgg pgl pgo pgp pgr plb plg pll plo plp plr pob pog pol poo pop por ppb ppg ppl ppo ppp ppr prb prg prl pro prp prr rbb rbg rbl rbo rbp rbr rgb rgg rgo rgp rgr rlg rll rlo rlp rlr rob rog rol roo rop ror rpb rpg rpl rpo rpp rpr rrb rrg rrl rrp rrr