-up b-p b-u bbb bbe bbi bbk bbl bbp bbu be- beb bee bei bek bel bep beu bi- bib bie bii bik bil bip biu bkb bke bkk bkl bkp blb ble bli blk bll blp blu bpb bpe bpi bpl bpp bpu bub bue bui buk bul bup buu ebb ebe ebi ebk ebl ebp ebu eeb eee eek eel eep eib eie eii eik eil eip eiu ekb eke eki ekl ekp eku elb ele eli elk ell elp elu ep- epb epe epi epl epp epu eu- eub eue eui eul eup ibb ibe ibi ibk ibl ibp ibu ie- iee iei iek iel iep iib iie iii iil iip iiu ikb ike iki ikk ikl iku il- ilb ile ili ilk ill ilp ilu ipb ipe ipi ipl ipp ipu iu- iub iue iui iup kbb kbe kbi kbk kbl kbp kbu ke- keb kee kei kek kel kep kib kie kii kik kil kip kiu kkb kke kki kkk kkl kkp kku kl- klb kli klu kpe kpi kpk kpl kpp kpu kub kue kui kuk kul kup kuu l-p lbb lbe lbi lbk lbl lbp lbu leb lee lei lek lel lep leu lib lie lii lik lil lip liu lkb lkl lkp llb lle lli llk lll llp llu lpb lpe lpi lpk lpl lpp lpu lub lue lui luk lul lup luu p-p pbb pbe pbi pbk pbl pbp pbu peb pee pei pek pel pep peu pib pie pii pik pil pip piu pkb pke pki pkl pkp pku plb ple pli plk pll plp plu ppb ppe ppi ppk ppl ppp ppu pub pue pui puk pul pup puu ubb ube ubi ubk ubl ubp ubu ueb uee uei uel uep uib uie uii uil uip uiu ukb uke uki ukk ukl ukp uku ulb ule uli ulk ull ulp ulu up- upb upe upi upk upp upu uue uuu