-ol bbb bbe bbi bbk bbl bbm bbo be- beb bee bei bek bel bem beo bez bi- bib bie bii bik bil bim bio biz bkb bke bkk bkl bkm bko blb ble bli blk bll blm blo blz bmb bme bmi bmk bml bmm bmo bmz bob boe boi bok bol bom boo boz bze bzo bzz ebb ebe ebi ebk ebl ebm ebo eeb eee eek eel eem eeo eib eie eii eik eil eim eio ekb eke eki ekl eko elb ele eli elk ell elm elo elz em- emb eme emi emk eml emm emo eo- eob eoe eoi eok eol eom eoo eze ezo ezz ibb ibe ibi ibk ibl ibm ibo ibz ie- iee iei iek iel iem iib iie iii iil iim iio ikb ike iki ikk ikl iko il- ilb ile ili ilk ill ilm ilo ilz im- imb ime imi iml imm imo imz io- iob ioe ioi iol iom ioo ize izi izm izo izz k-z kbb kbe kbi kbk kbl kbm kbo kbz ke- keb kee kei kek kel kem keo kez kib kie kii kik kil kim kio kiz kkb kke kki kkk kkl kkm kl- klb kli klm klo klz kmb kme kmi kmk kml kmm kmo kmz kob koe koi kok kol kom koo koz kzo lbb lbe lbi lbk lbl lbm lbo leb lee lei lek lel lem leo lez lib lie lii lik lil lim lio liz lkb lkl llb lle lli llk lll llm llo llz lmb lme lmi lmk lml lmm lmo lob loe loi lok lol lom loo loz lzi lzo m-o mbb mbe mbi mbk mbl mbm mbo meb mee mei mek mel mem meo mez mi- mib mie mii mik mil mim mio miz mkb mke mkk mkl mkm mko mkz mlb mle mli mlk mll mlm mlo mmb mme mmi mmk mml mmm mmo mmz mob moe moi mok mol mom moo moz mzb mzi mzm o-i ob- obb obe obi obk obl obm obo oeb oee oei oel oem oeo oib oie oii oik oil oim oio oiz okb oke oki okk okl oko olb ole oli olk oll olm olo om- omb ome omi oml omm omo omz oo- oob ooi ook ool oom ooo oze ozm ozo ozz zbb zbl zbm zeb zee zek zel zem zeo zez zib zie zik zil zim zio ziz zmb zmk zmm zo- zob zoe zoi zok zol zom zoo zzz