-ol -up b-p b-u bbb bbe bbk bbl bbo bbp bbu be- beb bee bek bel beo bep beu bez bkb bke bkk bkl bko bkp blb ble blk bll blo blp blu blz bob boe bok bol boo bop bou boz bpb bpe bpl bpo bpp bpu bub bue buk bul buo bup buu buz bze bzo bzp bzu bzz ebb ebe ebk ebl ebo ebp ebu eeb eee eek eel eeo eep ekb eke ekl eko ekp eku elb ele elk ell elo elp elu elz eo- eob eoe eok eol eoo eop eou ep- epb epe epl epo epp epu epz eu- eub eue eul eup eze ezo ezz k-z kbb kbe kbk kbl kbo kbp kbu kbz ke- keb kee kek kel keo kep kez kkb kke kkk kkl kkp kku kl- klb klo klu klz kob koe kok kol koo kop kou koz kpe kpk kpl kpo kpp kpu kub kue kuk kul kup kuu kzo l-p lbb lbe lbk lbl lbo lbp lbu leb lee lek lel leo lep leu lez lkb lkl lkp llb lle llk lll llo llp llu llz lob loe lok lol loo lop lou loz lpb lpe lpk lpl lpo lpp lpu lpz lub lue luk lul luo lup luu luz lzo lzu ob- obb obe obk obl obo obp obu oeb oee oel oeo oep okb oke okk okl oko okp oku olb ole olk oll olo olp olu oo- oob ook ool ooo oop op- opb ope opk opl opo opp ou- oue ouk oul ouo oup oze ozo ozu ozz p-p pbb pbe pbk pbl pbo pbp pbu pbz peb pee pek pel peo pep peu pez pkb pke pkl pko pkp pku plb ple plk pll plo plp plu plz pob poe pok pol poo pop pou poz ppb ppe ppk ppl ppo ppp ppu ppz pub pue puk pul pup puu puz pzk pzl pzp ubb ube ubk ubl ubo ubp ubu ueb uee uel uep ukb uke ukk ukl ukp uku ukz ulb ule ulk ull ulo ulp ulu uob uoe uok uol uoo uop up- upb upe upk upo upp upu upz uue uuu uzb uzo uzu zbb zbl zeb zee zek zel zeo zep zez zo- zob zoe zok zol zoo zou zpe zpl zpo zpp zpu zub zuk zul zuz zzz