-er b-u bbb bbe bbg bbm bbr bbt bbu be- beb bee beg bem ber bet beu bgb bge bgg bgm bgr bgt bgu bmb bme bmg bmm bmr bmt bmu brb bre brg brm brr brt bru btb bte btg btm btr btt btu bub bue bug bum bur but buu ebb ebe ebg ebm ebr ebt ebu eeb eee eeg eem eer eet egb ege egg egm egr egt egu em- emb eme emg emm emr emt emu erb ere erg erm err ert eru etb ete etg etm etr ett etu eu- eub eue eug eur eut gbe gbg gbm gbr gbt gbu ge- geb gee geg gem ger get geu ggb ggg ggm ggr ggt ggu gmb gme gmg gmm gmr gmt grb gre grg grm grr grt gru gtb gte gtg gtm gtr gtt gtu gu- gub gue gug gum gur gut guu m-r mbb mbe mbg mbm mbr mbt mbu meb mee meg mem mer met meu mgb mge mgm mgr mgt mgu mmb mme mmg mmm mmr mmt mmu mrb mre mrg mrm mrr mrt mru mtb mte mtg mtm mtr mtt mtu mub mue mug mum mur mut muu rbb rbe rbg rbm rbr rbt rbu re- reb ree reg rem rer ret reu rgb rge rgg rgr rgt rmb rme rmg rmm rmr rmt rrb rrg rrm rrr rrt rru rtb rte rtg rtm rtr rtt rtu rub rue rug rum rur rut ruu tbb tbe tbg tbm tbr tbt tbu te- teb tee teg tem ter tet teu tgb tge tgg tgm tgr tgt tgu tmb tme tmg tmm tmr tmt tmu trb tre trg trm trr trt tru ttb tte ttg ttm ttr ttt ttu tub tue tug tum tur tut tuu ubb ube ubg ubr ubt ubu ueb uee ueg uem uer uet ugb uge ugg ugm ugr ugt ugu um- umb ume umg umm umr umt umu ur- urb ure urg urm urr urt uru utb ute utm utr utt utu uue uug uum uur uut uuu

bbbb bbeb bbet bbgm bbmg bbrg bebb bebe beeb beeg beem beer beet begg begu beme bemu bere berg berm berr bert beru bete bett betu beur breb bree breg brem brer bret brrm brrr brue brug brum brut btrt bttb bubb bube bubu buem buer bueu buge bugg bum- bumb bur- burb bure burg burm burr burt buru but- bute butt ebbr eber ebru ebur eeee eerg eete eetu egbe egbu egee egem eger eggb egge egre egte embe embr emer emet emeu emme emmu emre emte erbb erbe ereb erem erer eret erg- ergg erme erre ertu erub erum erur etbr etee etem eter etre etrm ette ettu euer euge eur- eure eurt gebe geer geet gege gegg gem- gemm gemr gerb gere germ gert geru getb gete getg gett geue geum ggbt gggg gmer gmme gmmr grbr greb gree greg grem gret greu grmt grrr grub grue grug grum grur grut gtbr gubb gubu guer gugb guge gugg gugu gumb gume gumm gurb gure gurg gurr gurt guru gute gutt gutu mebe meem meer meet meg- mege megg megr megu meme memr memu mer- merb mere merm mert meru met- mete mett metu meum mger mgmt mgrm mmmm mrbb mrbm mreb mree mreg mrtm mrtt mtge mtre mtrr mttr mube muee muet mugg mugu mume mumm mumu mure murg murr murt muru mute mutt mutu muut rbbb rbbr rebb rebe rebu reeb reem reet rege regm regr regt regu reme rere rerg rert reru rete retr rett reue reut reuu rgbe rgtr rmrg rmtu rrrr rrum rtee rubb rube rubu ruer ruet ruge rugg rumb rume rumm rumt rure ruru rute rutt rutu tbrb tebu teem teer teet tegg tegt tegu teme temu ter- tere term terr teru tete tetr tett tetu teut tmbg tmbr tmge tmtt tre- tree treg trem tret treu trge trmb trmu trte trtr trub true trug trut truu ttbb tter tttt tubb tube tubr tubu tuer tuet tugg tugu tumb tume tumu turb ture turg turm turr turt turu tute tutt tutu tuum ubbe uber ubet uggt ugur uguu umb- umbe umer umet ummg umut urbe ure- uret urge urgu urre urte urum urur urut uter utmb uttu utug uuuu

-tree bbbee be-er beber beebe beete beeut begee begem beget begge begue begum begur begut bembe bemer bemet berbe bereg beret berge berme berre berru berte berum betee beter betre bett- bette beuer beure beute bgmut brebu breem breer breet breg- brege bregg breme bremm brere brett breu- brmmm brrrr bruer bruet bruge brugg brume brumm brute btr-t bubbe buber buger bugge bugre bumbu bumme buret burge burgu burru burte burtt burut buter butme butte butut ebber ebbet eberg ebert ebure eeeee egger egrem egret embee ember embue emeer emere emerg emert emmer emmet emtee emure erbbe erber erege erem- erere errtu erte erter ertug etete etree etter eturu eum-u eurre gberg gberu geber gebet gebre gebur geere geert geete gegge gemer gemme gemre gerbe germe gerre gertt gerum getee getem geter getme gette grebe greer greet grege gregg greme grete grett greut grgur grrrr grubb grube grume grure gruut gtube gubbe guber gubru gueme guere gumbe gumer gummb gumme gurge gurre gurum gurur gutte mbebe mbege mbere mbret mbube mburu mebbe meemu meere meete meger megre membe memer mereg merer meret merge merre merte merur meteg meter metr- metre mette metur meuer meure meute mmmmm mreru mrmet mt-te mt-tg mt-tm mt-tr mt-tt mtgee mtree mtume muger mugur mumbe mumme mummu muret mureu murre murru murum murut muter mutet mutum rebbe rebeg reber rebet rebut reege reeme reere regem reger reget regge regme regtt regur regut remee remer remet remue rere- reree reret rerum retee retem reter retrg rette reuer reuet reume reute rmutt rubee ruber ruegg ruere ruete ruger ruget rugge rumbe rumer rummu ruter rutte ruutu tbtbt tbutt teber tebet teege teeme teemu tegre tegur tembe tembu terem teret tereu terge tergu terme terre tert- teter tetr- tette teuge tgttm