-up b-p b-u bbb bbd bbe bbi bbn bbp bbu bdb bdd bde bdi bdp bdu be- beb bed bee bei ben bep beu bi- bib bid bie bii bin bip biu bnb bnd bne bni bnn bnp bnu bpb bpd bpe bpi bpn bpp bpu bub bud bue bui bun bup buu dbb dbd dbe dbi dbn dbp dbu ddb ddd dde ddi ddn ddp ddu de- deb ded dee dei den dep deu di- dib did die dii din dip diu dnb dnd dne dni dnn dnp dpb dpd dpe dpi dpn dpp dpu dub dud due dui dun dup ebb ebd ebe ebi ebn ebp ebu ed- edb edd ede edi edn edp edu eeb eed eee een eep eib eid eie eii ein eip eiu en- enb end ene eni enn enp enu ep- epb epd epe epi epn epp epu eu- eub eud eue eui eun eup i-d ibb ibd ibe ibi ibn ibp ibu idb idd ide idi idn idp idu ie- ied iee iei ien iep iib iid iie iii iin iip iiu in- inb ind ine ini inn inp inu ipb ipd ipe ipi ipn ipp ipu iu- iub iud iue iui iup n-i nbb nbd nbe nbi nbn nbp nbu ndb ndd nde ndi ndn ndp ndu ne- neb ned nee nei nen nep neu nib nid nie nii nin nip niu nnb nne nni nnn nnp nnu npb npd npe npi npn npp npu nub nud nue nui nun nup nuu p-p pbb pbd pbe pbi pbn pbp pbu pdb pdd pde pdi pdn pdp pdu peb ped pee pei pen pep peu pib pid pie pii pin pip piu pn- pnb pnd pne pni pnn pnp pnu ppb ppd ppe ppi ppn ppp ppu pub pud pue pui pun pup puu ubb ube ubi ubn ubp ubu udb udd ude udi udn udp udu ueb ued uee uei uen uep uib uid uie uii uin uip uiu un- unb und une uni unn unp unu up- upb upd upe upi upn upp upu uue uun uuu