-ol bbb bbe bbi bbl bbm bbo be- beb bee bei bel bem beo bev bi- bib bie bii bil bim bio biv blb ble bli bll blm blo blv bmb bme bmi bml bmm bmo bmv bob boe boi bol bom boo bov bvb bve bvi bvl bvm bvo bvv ebb ebe ebi ebl ebm ebo ebv eeb eee eel eem eeo eev eib eie eii eil eim eio eiv elb ele eli ell elm elo elv em- emb eme emi eml emm emo emv eo- eob eoe eoi eol eom eoo evb eve evi evl evm evo evv i-v ibb ibe ibi ibl ibm ibo ibv ie- iee iei iel iem iev iib iie iii iil iim iio il- ilb ile ili ill ilm ilo ilv im- imb ime imi iml imm imo imv io- iob ioe ioi iol iom ioo iov ivb ive ivi ivl ivo ivv lbb lbe lbi lbl lbm lbo lbv leb lee lei lel lem leo lev lib lie lii lil lim lio liv llb lle lli lll llm llo llv lmb lme lmi lml lmm lmo lmv lob loe loi lol lom loo lov lvb lve lvi lvl lvm lvv m-o m-v mbb mbe mbi mbl mbm mbo mbv meb mee mei mel mem meo mev mi- mib mie mii mil mim mio miv mlb mle mli mll mlm mlo mlv mmb mme mmi mml mmm mmo mmv mob moe moi mol mom moo mov mvb mve mvi mvl mvm mvo mvv o-i ob- obb obe obi obl obm obo obv oeb oee oei oel oem oeo oib oie oii oil oim oio oiv olb ole oli oll olm olo om- omb ome omi oml omm omo omv oo- oob ooi ool oom ooo oov ov- ovb ove ovi ovl ovo ovv v-e vbi vbl vbm vbo vbv veb vee vei vel vem veo vi- vib vie vii vil vim vio viv vl- vlb vle vll vlm vlo vlv vm- vmi vmm vmo vob voe voi vol vom voo vov vvb vvi vvm vvo vvv