-up b-p b-u bbb bbe bbi bbm bbn bbp bbt bbu be- beb bee bei bem ben bep bet beu bi- bib bie bii bim bin bip bit biu bmb bme bmi bmm bmn bmp bmt bmu bnb bne bni bnn bnp bnt bnu bpb bpe bpi bpm bpn bpp bpt bpu btb bte bti btm btn btp btt btu bub bue bui bum bun bup but buu ebb ebe ebi ebm ebn ebp ebt ebu eeb eee eem een eep eet eib eie eii eim ein eip eit eiu em- emb eme emi emm emn emp emt emu en- enb ene eni enm enn enp ent enu ep- epb epe epi epm epn epp ept epu etb ete eti etm etn etp ett etu eu- eub eue eui eun eup eut ibb ibe ibi ibm ibn ibp ibt ibu ie- iee iei iem ien iep iet iib iie iii iim iin iip iit iiu im- imb ime imi imm imn imp imt imu in- inb ine ini inm inn inp int inu ipb ipe ipi ipm ipn ipp ipt ipu itb ite iti itm itn itp itt itu iu- iub iue iui ium iup iut mbb mbe mbi mbm mbp mbt mbu meb mee mei mem men mep met meu mi- mib mie mii mim min mip mit miu mmb mme mmi mmm mmn mmp mmt mmu mnb mne mni mnm mnn mnp mnt mnu mpb mpe mpi mpm mpn mpp mpt mpu mtb mte mti mtm mtn mtp mtt mtu mub mue mui mum mun mup mut muu n-i nbb nbe nbi nbm nbn nbp nbt nbu ne- neb nee nei nem nen nep net neu nib nie nii nim nin nip nit niu nmb nme nmi nmm nmn nmp nmt nmu nnb nne nni nnm nnn nnp nnt nnu npb npe npi npm npn npp npt npu ntb nte nti ntm ntn ntp ntt ntu nub nue nui num nun nup nut nuu p-p pbb pbe pbi pbm pbn pbp pbt pbu peb pee pei pem pen pep pet peu pib pie pii pim pin pip pit piu pmb pme pmi pmm pmn pmp pmt pmu pn- pnb pne pni pnm pnn pnp pnt pnu ppb ppe ppi ppm ppn ppp ppt ppu pt- ptb pte pti ptm ptn ptp ptt ptu pub pue pui pum pun pup put puu tbb tbe tbi tbm tbn tbp tbt tbu te- teb tee tei tem ten tep tet teu tib tie tii tim tin tip tit tiu tmb tme tmi tmm tmn tmp tmt tmu tnb tne tni tnm tnn tnp tnt tpb tpe tpi tpm tpn tpp tpt tpu ttb tte tti ttm ttn ttp ttt ttu tub tue tui tum tun tup tut tuu ubb ube ubi ubn ubp ubt ubu ueb uee uei uem uen uep uet uib uie uii uim uin uip uit uiu um- umb ume umi umm umn ump umt umu un- unb une uni unm unn unp unt unu up- upb upe upi upm upn upp upt upu utb ute uti utm utn utp utt utu uue uum uun uut uuu