-ol b-u bbb bbc bbe bbl bbm bbo bbu bbx bcb bcc bce bcl bcm bco bcu bcx be- beb bec bee bel bem beo beu bex blb blc ble bll blm blo blu blx bmb bmc bme bml bmm bmo bmu bmx bob boc boe bol bom boo bou box bub buc bue bul bum buo buu bux bxb bxl bxm bxo bxx c-- cbb cbc cbe cbl cbm cbo cbu cbx ccb ccc cce ccl ccm cco ccu ccx ce- ceb cec cee cel cem ceo ceu cex cl- clb clc cle cll clm clo clu clx cmb cmc cme cml cmm cmo cmu cmx co- cob coc coe col com coo cou cox cub cuc cue cul cum cuo cuu cxc cxl cxo cxx ebb ebc ebe ebl ebm ebo ebu ebx ec- ecb ecc ece ecl ecm eco ecu ecx eeb eec eee eel eem eeo eex elb elc ele ell elm elo elu elx em- emb emc eme eml emm emo emu emx eo- eob eoc eoe eol eom eoo eou eu- eub euc eue eul eux ex- exc exe exl exo exu exx lbb lbc lbe lbl lbm lbo lbu lbx lcb lcc lce lcl lcm lco lcu lcx leb lec lee lel lem leo leu lex llb llc lle lll llm llo llu lmb lmc lme lml lmm lmo lmu lob loc loe lol lom loo lou lox lub luc lue lul lum luo luu lux lxc lxo lxx m-o mbb mbc mbe mbl mbm mbo mbu mbx mc- mcb mcc mce mcl mcm mco mcu mcx meb mec mee mel mem meo meu mex mlb mlc mle mll mlm mlo mlu mlx mmb mmc mme mml mmm mmo mmu mmx mob moc moe mol mom moo mou mox mub muc mue mul mum muu mux mxc mxl mxu ob- obb obc obe obl obm obo obu obx oc- ocb occ ocl ocm oco ocu ocx oeb oec oee oel oem oeo oex olb olc ole oll olm olo olu om- omb omc ome oml omm omo omu omx oo- oob ooc ool oom ooo oox ou- ouc oue oul oum ouo ox- oxb oxc oxo oxx ubb ubc ube ubl ubo ubu ubx 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 uox uuc uue uum uuu uxb uxc uxo uxu xbc xbe xbl xbx xcb xcl xcx xee xel xem xeu xex xlb xlm xmc xml xmm xmo xmu xmx xoc xom xoo xox xue xul xxl xxo xxx