-up b-p b-u bbb bbe bbl bbm bbn bbp bbt bbu be- beb bee bel bem ben bep bet beu bez blb ble bll blm bln blp blt blu blz bmb bme bml bmm bmn bmp bmt bmu bmz bnb bne bnl bnn bnp bnt bnu bnz bpb bpe bpl bpm bpn bpp bpt bpu btb bte btl btm btn btp btt btu btz bub bue bul bum bun bup but buu buz bze bzn bzp bzu bzz ebb ebe ebl ebm ebn ebp ebt ebu eeb eee eel eem een eep eet elb ele ell elm eln elp elt elu elz em- emb eme eml emm emn emp emt emu en- enb ene enl enm enn enp ent enu enz ep- epb epe epl epm epn epp ept epu epz etb ete etl etm etn etp ett etu etz eu- eub eue eul eun eup eut eze ezz l-p lbb lbe lbl lbm lbp lbt lbu leb lee lel lem len lep let leu lez llb lle lll llm lln llp llt llu llz lmb lme lml lmm lmn lmp lmt lmu lnb lne lnl lnm lnn lnp lnt lnu lpb lpe lpl lpm lpn lpp lpt lpu lpz ltb lte ltl ltm ltp ltt ltu ltz lub lue lul lum lun lup lut luu luz lzu mbb mbe mbl mbm mbp mbt mbu meb mee mel mem men mep met meu mez mlb mle mll mlm mln mlp mlt mlu mmb mme mml mmm mmn mmp mmt mmu mmz mnb mne mnl mnm mnn mnp mnt mnu mnz mpb mpe mpl mpm mpn mpp mpt mpu mtb mte mtl mtm mtn mtp mtt mtu mub mue mul mum mun mup mut muu mzb mzm mzn mzp mzt nbb nbe nbl nbm nbn nbp nbt nbu ne- neb nee nel nem nen nep net neu nez nlb nle nll nlm nln nlp nlt nlu nlz nmb nme nml nmm nmn nmp nmt nmu nmz nnb nne nnl nnm nnn nnp nnt nnu nnz npb npe npl npm npn npp npt npu npz ntb nte ntm ntn ntp ntt ntu ntz nub nue nul num nun nup nut nuu nzb nze nzp nzz p-p pbb pbe pbl pbm pbn pbp pbt pbu pbz peb pee pel pem pen pep pet peu pez plb ple pll plm pln plp plt plu plz pmb pme pml pmm pmn pmp pmt pmu pmz pn- pnb pne pnl pnm pnn pnp pnt pnu ppb ppe ppl ppm ppn ppp ppt ppu ppz pt- ptb pte ptl ptm ptn ptp ptt ptu ptz pub pue pul pum pun pup put puu puz pzl pzm pzp pzt tbb tbe tbl tbm tbn tbp tbt tbu tbz te- teb tee tel tem ten tep tet teu tez tle tll tlm tln tlp tlt tlu tlz tmb tme tml tmm tmn tmp tmt tmu tmz tnb tne tnl tnm tnn tnp tnt tnz tpb tpe tpl tpm tpn tpp tpt tpu tpz ttb tte ttl ttm ttn ttp ttt ttu tub tue tul tum tun tup tut tuu tuz tze tzu ubb ube ubl ubn ubp ubt ubu ueb uee uel uem uen uep uet ulb ule ull ulm uln ulp ult ulu um- umb ume uml umm umn ump umt umu un- unb une unl unm unn unp unt unu up- upb upe upm upn upp upt upu upz utb ute utl utm utn utp utt utu utz uue uum uun uut uuu uzb uzu zbb zbl zbm zbt zeb zee zel zem zen zep zet zez zlt zmb zmm zmp zmt zne znn znp zpe zpl zpm zpp zpt zpu zte ztl ztm zub zul zum zun zut zuz zzt zzz