-up b-p b-u bbb bbe bbi bbl bbm bbp bbt bbu be- beb bee bei bel bem bep bet beu bi- bib bie bii bil bim bip bit biu blb ble bli bll blm blp blt blu bmb bme bmi bml bmm bmp bmt bmu bpb bpe bpi bpl bpm bpp bpt bpu btb bte bti btl btm btp btt btu bub bue bui bul bum bup but buu ebb ebe ebi ebl ebm ebp ebt ebu eeb eee eel eem eep eet eib eie eii eil eim eip eit eiu elb ele eli ell elm elp elt elu em- emb eme emi eml emm emp emt emu ep- epb epe epi epl epm epp ept epu etb ete eti etl etm etp ett etu eu- eub eue eui eul eup eut ibb ibe ibi ibl ibm ibp ibt ibu ie- iee iei iel iem iep iet iib iie iii iil iim iip iit iiu il- ilb ile ili ill ilm ilp ilt ilu im- imb ime imi iml imm imp imt imu ipb ipe ipi ipl ipm ipp ipt ipu itb ite iti itl itm itp itt itu iu- iub iue iui ium iup iut l-p lbb lbe lbi lbl lbm lbp lbt lbu leb lee lei lel lem lep let leu lib lie lii lil lim lip lit liu llb lle lli lll llm llp llt llu lmb lme lmi lml lmm lmp lmt lmu lpb lpe lpi lpl lpm lpp lpt lpu ltb lte lti ltl ltm ltp ltt ltu lub lue lui lul lum lup lut luu mbb mbe mbi mbl mbm mbp mbt mbu meb mee mei mel mem mep met meu mi- mib mie mii mil mim mip mit miu mlb mle mli mll mlm mlp mlt mlu mmb mme mmi mml mmm mmp mmt mmu mpb mpe mpi mpl mpm mpp mpt mpu mtb mte mti mtl mtm mtp mtt mtu mub mue mui mul mum mup mut muu p-p pbb pbe pbi pbl pbm pbp pbt pbu peb pee pei pel pem pep pet peu pib pie pii pil pim pip pit piu plb ple pli pll plm plp plt plu pmb pme pmi pml pmm pmp pmt pmu ppb ppe ppi ppl ppm ppp ppt ppu pt- ptb pte pti ptl ptm ptp ptt ptu pub pue pui pul pum pup put puu tbb tbe tbi tbl tbm tbp tbt tbu te- teb tee tei tel tem tep tet teu tib tie tii til tim tip tit tiu tle tli tll tlm tlp tlt tlu tmb tme tmi tml tmm tmp tmt tmu tpb tpe tpi tpl tpm tpp tpt tpu ttb tte tti ttl ttm ttp ttt ttu tub tue tui tul tum tup tut tuu ubb ube ubi ubl ubp ubt ubu ueb uee uei uel uem uep uet uib uie uii uil uim uip uit uiu ulb ule uli ull ulm ulp ult ulu um- umb ume umi uml umm ump umt umu up- upb upe upi upm upp upt upu utb ute uti utl utm utp utt utu uue uum uut uuu