-er -ol b-p bbb bbe bbl bbm bbo bbp bbr bbs be- beb bee bel bem beo bep ber bes bev blb ble bll blm blo blp blr bls blv bmb bme bml bmm bmo bmp bmr bms bmv bob boe bol bom boo bop bor bos bov bpb bpe bpl bpm bpo bpp bpr bps bpv brb bre brl brm bro brp brr brs brv bsb bse bsl bsm bso bsp bsr bss bsv bvb bve bvl bvm bvo bvp bvr bvs bvv ebb ebe ebl ebm ebo ebp ebr ebs ebv eeb eee eel eem eeo eep eer ees eev elb ele ell elm elo elp elr els elv em- emb eme eml emm emo emp emr ems emv eo- eob eoe eol eom eoo eop eor eos ep- epb epe epl epm epo epp epr eps erb ere erl erm ero erp err ers erv es- esb ese esl esm eso esp esr ess esv evb eve evl evm evo evp evr evs evv l-p lbb lbe lbl lbm lbo lbp lbr lbs lbv leb lee lel lem leo lep ler les lev llb lle lll llm llo llp llr lls llv lmb lme lml lmm lmo lmp lmr lms lmv lob loe lol lom loo lop lor los lov lpb lpe lpl lpm lpo lpp lpr lps lpv lrb lrm lro lrp lrr lrs lrv lsb lse lsl lsm lso lsp lsr lss lsv lvb lve lvl lvm lvp lvr lvs lvv m-o m-r m-v mbb mbe mbl mbm mbo mbp mbr mbs mbv meb mee mel mem meo mep mer mes mev mlb mle mll mlm mlo mlp mlr mls mlv mmb mme mml mmm mmo mmp mmr mms mmv mob moe mol mom moo mop mor mos mov mpb mpe mpl mpm mpo mpp mpr mps mpv mrb mre mrl mrm mro mrp mrr mrs mrv msb mse msl msm mso msp msr mss msv mvb mve mvl mvm mvo mvp mvr mvs mvv ob- obb obe obl obm obo obp obr obs obv oeb oee oel oem oeo oep oer oes olb ole oll olm olo olp ols om- omb ome oml omm omo omp omr oms omv oo- oob ool oom ooo oop oor oos oov op- opb ope opl opm opo opp opr ops opv or- orb ore orl orm oro orp orr ors orv os- osb ose osl osm oso osp osr oss osv ov- ovb ove ovl ovo ovp ovs ovv p-p pbb pbe pbl pbm pbo pbp pbr pbs peb pee pel pem peo pep per pes pev plb ple pll plm plo plp plr pls plv pmb pme pml pmm pmo pmp pmr pms pmv pob poe pol pom poo pop por pos pov ppb ppe ppl ppm ppo ppp ppr pps ppv prb pre prl prm pro prp prr prs prv ps- psb pse psl psm pso psp psr pss psv pvb pve pvl pvm pvo pvp pvr pvs pvv rbb rbe rbl rbm rbo rbp rbr rbs re- reb ree rel rem reo rep rer res rev rle rll rlm rlo rlp rlr rls rmb rme rml rmm rmo rmp rmr rms rmv rob roe rol rom roo rop ror ros rov rpb rpe rpl rpm rpo rpp rpr rps rpv rrb rrl rrm rrp rrr rrs rsb rse rsl rsm rso rsp rsr rss rsv rvb rve rvl rvm rvo rvp rvr rvs rvv sbb sbe sbl sbm sbo sbp sbr sbs sbv se- seb see sel sem seo sep ser ses sev slb sle sll slm slo slp slr sls slv smb sme sml smm smo smp smr sms smv sob soe sol som soo sop sor sos sov spb spe spl spm spo spp spr sps spv sr- srb sre srl srm sro srp srr srs srv ss- ssb sse ssl ssm sso ssp ssr sss ssv svb sve svl svm svo svp svr svs svv v-e vbl vbm vbo vbr vbs vbv veb vee vel vem veo vep ver ves vl- vlb vle vll vlm vlo vlp vls vlv vm- vmm vmo vmr vob voe vol vom voo vop vor vos vov vpb vpe vpl vpm vpo vpp vpr vps vrb vre vrm vrp vrr vrs vsb vse vsl vsm vso vsp vsr vss vsv vvb vvm vvo vvr vvs vvv