-er b-u bbb bbe bbr bbs bbt bbu be- beb bee ber bes bet beu bjj bjr bjs bjt bju brb bre brj brr brs brt bru bsb bse bsj bsr bss bst bsu btb bte btr bts btt btu bub bue buj bur bus but buu ebb ebe ebj ebr ebs ebt ebu eeb eee eer ees eet ejt eju erb ere err ers ert eru es- esb ese esr ess est esu etb ete etj etr ets ett etu eu- eub eue euj eur eus eut jbj jbr jbs jbt jbu jeb jee jej jer jes jet jeu jjb jjj jjr jjs jju jrb jrr jrs jrt jsb jse jsj jsr jss jst jsu jtb jte jtr jts jtt jtu jub jue jur jus jut rbb rbe rbr rbs rbt rbu re- reb ree rer res ret reu rjr rrb rrr rrs rrt rru rsb rse rsj rsr rss rst rsu rtb rte rtj rtr rts rtt rtu rub rue rur rus rut ruu sbb sbe sbj sbr sbs sbt sbu se- seb see sej ser ses set seu sjb sje sjj sjr sjs sjt sju sr- srb sre srj srr srs srt ss- ssb sse ssj ssr sss sst ssu stb ste stj str sts stt stu sub sue sur sus sut suu tbb tbe tbj tbr tbs tbt tbu te- teb tee tej ter tes tet teu tje tjr tjs tju trb tre trr trs trt tru tsb tse tsj tsr tss tst tsu ttb tte ttr tts ttt ttu tub tue tuj tur tus tut tuu ubb ube ubr ubs ubt ubu ueb uee uer ues uet ujs ur- urb ure urr urs urt uru usb use usj usr uss ust usu utb ute utj utr uts utt utu uue uur uus uut uuu

bbbb bbbs bbeb bbet bebb bebe beeb beej beer bees beet bere berr bers bert beru bes- bese bess best bete bets bett betu beur breb bree brer bres bret brje brrr brrs brsb brsr brst brue brus brut bseb bsee bser bses bset bsse bsts btrt btss bttb btus bubb bube bubs bubu buer bueu buje buju bur- burb bure burj burr burs burt buru buse buss bust busu but- bute buts butt buus ebbr ebbs eber ebes ebru ebur ebus eeee eees eers eese eete eets eetu ejer erbb erbe ereb erer eres eret erre errs erse erst erts ertu erub erur erus esbs esee eser eses eset esse esst essu este estj estr ests esus etbr etee eter etes etre etsu ette ettu euer eur- eure eurt euse jebb jebe jeer jees jeet jeju jere jers jert jeru jese jess jest jesu jetb jete jets jett jeur jeus jrbr jset jssr jsss jtsb jube jubu juju jure jurr jurs juse juss just jute juts rbbb rbbr rbbs rbss rbst rebb rebe rebs rebu reeb rees reet rere rers rert reru rese ress rest rete retr rets rett reue reus reut reuu rrrr rsee rsre rsts rstu rtee rtes rtss rtts rubb rube rubs rubu ruer rues ruet rure rurs ruru ruse russ rust rusu rute ruts rutt rutu sbbs sber sbse sbst sbus se-e se-s se-t se-u sebe sebs sebt seeb seer sees seet seeu serb sere serj serr sers sert seru sese sess sest set- sete sets sett seur sjrt sjsu sjur sreb sres srtr srub ssbr ssee sses sset ssrs sssb ssss sstb ssts stbs stee ster stes stet stre strs stru stss sttr stub stue stur stus stut sub- subb subj subs suee suer sues suet sueu sur- sure surr surs surt suru sus- suse suss sust susu sute sutu suus tbbs tbrb tbst tebu teej teer tees teet teju ter- tere terj terr ters teru tese tess test tete tetr tets tett tetu teut tjsj tre- tree tres tret treu trst trte trtr trub true trus trut truu tses tset tsse tssr tsst tsts ttbb tter ttss tttt tubb tube tubr tubs tubu tuer tues tuet turb ture turr turs turt turu tuss tust tute tuts tutt tutu ubbe uber ubet uers uess urbe urbs ure- ures uret urre urse urss ursu urte urts urur urus urut usbe usbr usbs usee user uses uset ussb usse ussr usss usst ussu ustb uste usts usus uter utes uttu uuuu

-tree bbbee bbser bbuss be-er beber bebes beebe beebs beers beest beete beets beeut bejte berbe beres beret berre berru berse berte berts berus besee beset besse beste bests besut betee beter betes betre betrs bett- bette betts betus beuer beure beust beute brebu breer brees breet brere brers brese bress brest brets brett breu- brrrr bruer brues bruet bruse bruss brust brute bsure btr-t btstu bubbe buber bujru burbs bures buret burrs burru burse burst burte burts burtt burus burut buser buses busse bussu buste busts busur busut busuu buter butes butte butts butut ebber ebbet ebers ebert ebure eeeee ejure erbbe erber erebs erere erest erets erres errtu erses erste ersts erte erter ertes erubs eruts esbus esere esser esses essse essue estee ester estes estet estre estur estus esure etest etete etree etres etter ettes eturu eujet eurre eurus euser j-bus jebet jebus jeers jeetu jejur jerre jerte jesse jests jesus jetee jeter jetes jette jetut jeure jeuse jeuss jeust jtest ju-ju jubbe jubeb jubes jubet jubur jubus jueju jujus juste justs juter jutes jutsu juuru rebbe reber rebet rebts rebus rebut reere reese reest rere- reree reres reret resee reses reset resse reste restr rests resue resus retee reter retes retje retsu rette retts reuer reuet reuse reuss reute rsust rtejr rubee ruber rubes rubus ruere ruers ruete ruses russe ruste rusts rustu ruter rutte ruutu s-bus sebbe sebes sebet seebe seere seers seese seest seesu seete serbs serej serer seres seret serjt serre serse serss sert- serte serts serue serut seser seses sesse seste sestu sesue setee seter setse sette setts settu setus setut seuer seure seuss seute sssrb sssss steer stees steet stere sterr sters stert stesu stete stets steur