-up b-p b-u bbb bbe bbi bbn bbp bbu be- beb bee bei ben bep beu bi- bib bie bii bin bip biu bnb bne bni bnn bnp bnu bpb bpe bpi bpn bpp bpu bub bue bui bun bup buu ebb ebe ebi ebn ebp ebu eeb eee een eep eib eie eii ein eip eiu en- enb ene eni enn enp enu ep- epb epe epi epn epp epu eu- eub eue eui eun eup ibb ibe ibi ibn ibp ibu ie- iee iei ien iep iib iie iii iin iip iiu in- inb ine ini inn inp inu ipb ipe ipi ipn ipp ipu iu- iub iue iui iup n-i nbb nbe nbi nbn nbp nbu ne- neb nee nei nen nep neu nib nie nii nin nip niu nnb nne nni nnn nnp nnu npb npe npi npn npp npu nub nue nui nun nup nuu p-p pbb pbe pbi pbn pbp pbu peb pee pei pen pep peu pib pie pii pin pip piu pn- pnb pne pni pnn pnp pnu ppb ppe ppi ppn ppp ppu pub pue pui pun pup puu ubb ube ubi ubn ubp ubu ueb uee uei uen uep uib uie uii uin uip uiu un- unb une uni unn unp unu up- upb upe upi upn upp upu uue uun uuu