-ol b-u bbb bbc bbe bbl bbm bbo bbu bcb bcc bce bcl bcm bco bcu be- beb bec bee bel bem beo beu blb blc ble bll blm blo blu bmb bmc bme bml bmm bmo bmu bob boc boe bol bom boo bou bub buc bue bul bum buo buu c-- cbb cbc cbe cbl cbm cbo cbu ccb ccc cce ccl ccm cco ccu ce- ceb cec cee cel cem ceo ceu cl- clb clc cle cll clm clo clu cmb cmc cme cml cmm cmo cmu co- cob coc coe col com coo cou cub cuc cue cul cum cuo cuu ebb ebc ebe ebl ebm ebo ebu ec- ecb ecc ece ecl ecm eco ecu eeb eec eee eel eem eeo elb elc ele ell elm elo elu em- emb emc eme eml emm emo emu eo- eob eoc eoe eol eom eoo eou eu- eub euc eue eul lbb lbc lbe lbl lbm lbo lbu lcb lcc lce lcl lcm lco lcu leb lec lee lel lem leo leu llb llc lle lll llm llo llu lmb lmc lme lml lmm lmo lmu lob loc loe lol lom loo lou lub luc lue lul lum luo luu m-o mbb mbc mbe mbl mbm mbo mbu mc- mcb mcc mce mcl mcm mco mcu meb mec mee mel mem meo meu mlb mlc mle mll mlm mlo mlu mmb mmc mme mml mmm mmo mmu mob moc moe mol mom moo mou mub muc mue mul mum muu ob- obb obc obe obl obm obo obu oc- ocb occ ocl ocm oco ocu oeb oec oee oel oem oeo olb olc ole oll olm olo olu om- omb omc ome oml omm omo omu oo- oob ooc ool oom ooo ou- ouc oue oul oum ouo ubb ubc ube ubl ubo ubu ucb ucc uce ucl ucm uco ucu ueb uec uee uel uem ulb ulc ule ull ulm ulo ulu um- umb umc ume uml umm umo umu uob uoc uoe uol uom uoo uuc uue uum uuu