-er -up b-p b-u bbb bbe bbi bbm bbp bbr bbt bbu be- beb bee bei bem bep ber bet beu bi- bib bie bii bim bip bir bit biu bmb bme bmi bmm bmp bmr bmt bmu bpb bpe bpi bpm bpp bpr bpt bpu brb bre bri brm brp brr brt bru btb bte bti btm btp btr btt btu bub bue bui bum bup bur but buu ebb ebe ebi ebm ebp ebr ebt ebu eeb eee eem eep eer eet eib eie eii eim eip eir eit eiu em- emb eme emi emm emp emr emt emu ep- epb epe epi epm epp epr ept epu erb ere eri erm erp err ert eru etb ete eti etm etp etr ett etu eu- eub eue eui eup eur eut ibb ibe ibi ibm ibp ibr ibt ibu ie- iee iei iem iep ier iet iib iie iii iim iip iir iit iiu im- imb ime imi imm imp imt imu ipb ipe ipi ipm ipp ipr ipt ipu ir- irb ire iri irm irp irr irt iru itb ite iti itm itp itt itu iu- iub iue iui ium iup iur iut m-r mbb mbe mbi mbm mbp mbr mbt mbu meb mee mei mem mep mer met meu mi- mib mie mii mim mip mir mit miu mmb mme mmi mmm mmp mmr mmt mmu mpb mpe mpi mpm mpp mpr mpt mpu mrb mre mri mrm mrp mrr mrt mru mtb mte mti mtm mtp mtr mtt mtu mub mue mui mum mup mur mut muu p-p pbb pbe pbi pbm pbp pbr pbt pbu peb pee pei pem pep per pet peu pib pie pii pim pip pir pit piu pmb pme pmi pmm pmp pmr pmt pmu ppb ppe ppi ppm ppp ppr ppt ppu prb pre pri prm prp prr prt pru pt- ptb pte pti ptm ptp ptr ptt ptu pub pue pui pum pup pur put puu rbb rbe rbi rbm rbp rbr rbt rbu re- reb ree rei rem rep rer ret reu rib rie rii rim rip rir rit rmb rme rmi rmm rmp rmr rmt rpb rpe rpi rpm rpp rpr rpt rpu rrb rri rrm rrp rrr rrt rru rtb rte rti rtm rtp rtr rtt rtu rub rue rui rum rup rur rut ruu tbb tbe tbi tbm tbp tbr tbt tbu te- teb tee tei tem tep ter tet teu tib tie tii tim tip tir tit tiu tmb tme tmi tmm tmp tmr tmt tmu tpb tpe tpi tpm tpp tpr tpt tpu trb tre tri trm trp trr trt tru ttb tte tti ttm ttp ttr ttt ttu tub tue tui tum tup tur tut tuu ubb ube ubi ubp ubr ubt ubu ueb uee uei uem uep uer uet uib uie uii uim uip uir uit uiu um- umb ume umi umm ump umr umt umu up- upb upe upi upm upp upr upt upu ur- urb ure uri urm urp urr urt uru utb ute uti utm utp utr utt utu uue uum uur uut uuu