-up b-p b-u bbb bbi bbk bbl bbp bbu bi- bib bii bik bil bip biu biz bkb bkk bkl bkp blb bli blk bll blp blu blz bpb bpi bpl bpp bpu bub bui buk bul bup buu buz bzp bzu bzz ibb ibi ibk ibl ibp ibu ibz iib iii iil iip iiu ikb iki ikk ikl iku il- ilb ili ilk ill ilp ilu ilz ipb ipi ipl ipp ipu iu- iub iui iup iuz izi izu izz k-z kbb kbi kbk kbl kbp kbu kbz kib kii kik kil kip kiu kiz kkb kki kkk kkl kkp kku kl- klb kli klu klz kpi kpk kpl kpp kpu kub kui kuk kul kup kuu l-p lbb lbi lbk lbl lbp lbu lib lii lik lil lip liu liz lkb lkl lkp llb lli llk lll llp llu llz lpb lpi lpk lpl lpp lpu lpz lub lui luk lul lup luu luz lzi lzu p-p pbb pbi pbk pbl pbp pbu pbz pib pii pik pil pip piu piz pkb pki pkl pkp pku plb pli plk pll plp plu plz ppb ppi ppk ppl ppp ppu ppz pub pui puk pul pup puu puz pzk pzl pzp ubb ubi ubk ubl ubp ubu uib uii uil uip uiu ukb uki ukk ukl ukp uku ukz ulb uli ulk ull ulp ulu up- upb upi upk upp upu upz uuu uzb uzi uzu zbb zbl zib zik zil zip ziz zpi zpl zpp zpu zub zui zuk zul zuz zzz