-ol b-p bbb bbl bbm bbn bbo bbp bbr blb bll blm bln blo blp blr bmb bml bmm bmn bmo bmp bmr bnb bnl bnn bno bnp bnr bob bol bom bon boo bop bor bpb bpl bpm bpn bpo bpp bpr brb brl brm brn bro brp brr l-p lbb lbl lbm lbo lbp lbr llb lll llm lln llo llp llr lmb lml lmm lmn lmo lmp lmr lnb lnl lnm lnn lno lnp lnr lob lol lom lon loo lop lor lpb lpl lpm lpn lpo lpp lpr lrb lrm lrn lro lrp lrr m-o m-r mbb mbl mbm mbo mbp mbr mlb mll mlm mln mlo mlp mlr mmb mml mmm mmn mmo mmp mmr mnb mnl mnm mnn mno mnp mnr mob mol mom mon moo mop mor mpb mpl mpm mpn mpo mpp mpr mrb mrl mrm mrn mro mrp mrr nbb nbl nbm nbn nbo nbp nbr nlb nll nlm nln nlo nlp nlr nmb nml nmm nmn nmo nmp nmr nnb nnl nnm nnn nno nnp no- nob nol nom non noo nop nor npb npl npm npn npo npp npr nrb nrl nrm nrn nro nrp nrr ob- obb obl obm obn obo obp obr olb oll olm oln olo olp om- omb oml omm omn omo omp omr on- onb onl onn ono onp onr oo- oob ool oom oon ooo oop oor op- opb opl opm opn opo opp opr or- orb orl orm orn oro orp orr p-p pbb pbl pbm pbn pbo pbp pbr plb pll plm pln plo plp plr pmb pml pmm pmn pmo pmp pmr pn- pnb pnl pnm pnn pno pnp pnr pob pol pom pon poo pop por ppb ppl ppm ppn ppo ppp ppr prb prl prm prn pro prp prr rbb rbl rbm rbn rbo rbp rbr rll rlm rln rlo rlp rlr rmb rml rmm rmn rmo rmp rmr rnb rnm rnn rno rnp rnr rob rol rom ron roo rop ror rpb rpl rpm rpn rpo rpp rpr rrb rrl rrm rrn rrp rrr