-ol b-p bbb bbh bbl bbm bbo bbp bbx bhb bhh bhl bhm bho bhp bhx blb blh bll blm blo blp blx bmb bmh bml bmm bmo bmp bmx bob boh bol bom boo bop box bpb bph bpl bpm bpo bpp bpx bxb bxl bxm bxo bxx hbb hbh hbl hbm hbo hbp hbx hhb hhh hhl hhm hho hhp hlb hlh hll hlm hlo hlp hlx hmb hmh hml hmm hmo hmp hmx hob hoh hol hom hoo hop hox hpb hph hpl hpm hpo hpp hxl hxm l-p lbb lbh lbl lbm lbo lbp lbx lhb lhh lho lhp lhx llb lll llm llo llp lmb lmh lml lmm lmo lmp lob loh lol lom loo lop lox lpb lph lpl lpm lpo lpp lpx lxo lxx m-o mbb mbh mbl mbm mbo mbp mbx mhh mhl mhm mho mhp mhx mlb mlh mll mlm mlo mlp mlx mmb mmh mml mmm mmo mmp mmx mob moh mol mom moo mop mox mpb mph mpl mpm mpo mpp mpx mxl mxp ob- obb obh obl obm obo obp obx ohh ohl ohm oho ohp olb oll olm olo olp om- omb omh oml omm omo omp omx oo- oob ooh ool oom ooo oop oox op- opb oph opl opm opo opp opx ox- oxb oxo oxx p-p pbb pbl pbm pbo pbp pbx phb phl phm pho php phx plb plh pll plm plo plp plx pmb pmh pml pmm pmo pmp pmx pob poh pol pom poo pop pox ppb pph ppl ppm ppo ppp ppx pxl pxm xbl xbx xhp xlb xlm xmh xml xmm xmo xmp xmx xom xoo xop xox xpb xpl xpm xpo xpp xxl xxo xxp xxx