-er -up b-p b-u bbb bbe bbm bbp bbr bbt bbu be- beb bee bem bep ber bet beu bmb bme bmm bmp bmr bmt bmu bpb bpe bpm bpp bpr bpt bpu brb bre brm brp brr brt bru btb bte btm btp btr btt btu bub bue bum bup bur but buu ebb ebe ebm ebp ebr ebt ebu eeb eee eem eep eer eet em- emb eme emm emp emr emt emu ep- epb epe epm epp epr ept epu erb ere erm erp err ert eru etb ete etm etp etr ett etu eu- eub eue eup eur eut m-r mbb mbe mbm mbp mbr mbt mbu meb mee mem mep mer met meu mmb mme mmm mmp mmr mmt mmu mpb mpe mpm mpp mpr mpt mpu mrb mre mrm mrp mrr mrt mru mtb mte mtm mtp mtr mtt mtu mub mue mum mup mur mut muu p-p pbb pbe pbm pbp pbr pbt pbu peb pee pem pep per pet peu pmb pme pmm pmp pmr pmt pmu ppb ppe ppm ppp ppr ppt ppu prb pre prm prp prr prt pru pt- ptb pte ptm ptp ptr ptt ptu pub pue pum pup pur put puu rbb rbe rbm rbp rbr rbt rbu re- reb ree rem rep rer ret reu rmb rme rmm rmp rmr rmt rpb rpe rpm rpp rpr rpt rpu rrb rrm rrp rrr rrt rru rtb rte rtm rtp rtr rtt rtu rub rue rum rup rur rut ruu tbb tbe tbm tbp tbr tbt tbu te- teb tee tem tep ter tet teu tmb tme tmm tmp tmr tmt tmu tpb tpe tpm tpp tpr tpt tpu trb tre trm trp trr trt tru ttb tte ttm ttp ttr ttt ttu tub tue tum tup tur tut tuu ubb ube ubp ubr ubt ubu ueb uee uem uep uer uet um- umb ume umm ump umr umt umu up- upb upe upm upp upr upt upu ur- urb ure urm urp urr urt uru utb ute utm utp utr utt utu uue uum uur uut uuu

bbbb bbeb bbet bbpr bebb bebe beeb beem beep beer beet beme bemu bere berm berr bert beru bete bett betu beur bmep bmpt breb bree brem brep brer bret brrm brrr brue brum brup brut btbp btrt bttb bubb bube bubu buem buer bueu bum- bumb bump bur- burb bure burm burp burr burt buru but- bute butt ebbr eber ebru ebur eeee eete eetu embe embr emer emet emeu emme emmu empe empt emre emte emtp emup epbm epee eper eppp eprb eprp epte epub erbb erbe ereb erem erer eret erme erpe erre ertu erub erum erur etbr etee etem eter etre etrm ette ettu euer eur- eure eurt mebe meem meep meer meet meme memr memu mepe mer- merb mere merm merp mert meru met- mete mett metu meum meup mmmm mmpr mmpu mmrp mppe mppp mprp mptp mrbb mrbm mreb mree mrtm mrtt mtep mtre mtrr mttr mube muee muet mume mumm mump mumu mure murr murt muru mute mutt mutu muut pbmr peep peer peet pemt pepe per- pere perm perp perr pert peru pete petr pett peur peut pmbr pmmp pmmu pmpm pmrt pmut pper pppp pprm ppru pptt ppur pre- preb pree prem prep pret preu prrm prtm prtp prtr prue prum prut pruu pter ptmp pu-e pube pubu puer puet pueu pume pump pupe pupu pur- purb pure purp purr puru put- pute putt putu rbbb rbbr rebb rebe rebu reeb reem reep reet reme remp repe repp repr rept repu rere rert reru rete retr rett reue reup reut reuu rmrp rmtu rpet rrmp rrrr rrum rtee rtmp rttp rubb rube rubp rubu ruer ruet rumb rume rumm rump rumt rupe rupp rupt rure rurp ruru rute rutt rutu tbrb tbtp tebu teem teer teet teme temp temu tepe tepp tepu ter- tere term terp terr teru tete tetr tett tetu teut tmbr tmep tmtt tper tpmt tppp tppr tpte tptp tptr tput tre- tree trem tret treu trmb trmu trpe trpm trpp trte trtr trub true trut truu ttbb tter tttt tubb tube tubr tubu tuer tuet tumb tume tump tumu tupe tupu turb ture turm turp turr turt turu tute tutt tutu tuum u-rp ubbe uber ubet umb- umbe umer umet umpe umut upbe upme uppe uppp uppu upup urbe ure- uret urre urte urum urup urur urut utep uter utmb utmp uttu uuuu

-tree bbbee be-er beber beebe beete beeut bembe bemer bemet beppe beppu berbe beret berme berre berru berte berum betee beter betre bett- bette beuer beure beute bmp-r brebu breem breer breet breme bremm brere brett breu- brmmm brrrr bruer bruet brume brumm brute btr-t bubbe buber bumbu bumme bumpe buret burru burte burtt burut buter butme butte butut ebber ebbet ebert ebure eeeee eepee embee ember embue emeer emere emert emmer emmet empee empte emtee emure epptb epure erbbe erber erem- erept erere errtu erte erter erump erupt etete etree etter eturu eum-u eurre mbebe mbere mbret mbube mburu mebbe meemu meere meete membe memer merer meret merre merte merur meter metr- metre mette metup metur meuer meure meute mmmmm mpret mreru mrmet mt-te mt-tm mt-tp mt-tr mt-tt mtepe mtree mtume mumbe mumme mummu muppu muret mureu murre murru murum murup murut muter mutet mutum p-rep pebre peebu peere peert peete pembe pepee peppe pept- pepup perer peret perre perte perur petbe peter petr- petre petru pette petur peure preem preme premp prete prute pter- ptere ptprb ptpre ptprm ptprr ptprt ptpru puber puett pumpe pupet puppe puree purer purre purte purum puter putre putt- putte puttu putup re-up rebbe reber rebet rebut reeme reepe reere remee remer remet remue repet reppe reprt repub reput rere- reree reret rerum retee retem reter rette reuer reuet reume reute rmutt rubee ruber rubup ruere ruete rumbe rumer rummu rumpt rupee ruper ruter rutte ruutu tbtbt tbutt teber tebet teeme teemu teepe teeup tembe tembu tempe