citb cite citg citi citt citu ciuc crbc crbu crcc crce crcr crdc cre- creb crec cred cree creg crei cret creu crib cric crie crig crit criu crrt crtc crub crud crue crug crut ctbi ctec ctge ctgu ctic ctrc cub- cubb cube cubi cucc cuce cuci cude cudi cued cuer cui- cuir cuit curb curd cure curi curr curt cut- cutc cute cutt dbcc dbit dbtt dcbc dccb dccc dcci dcct dccu dcdb dcii dctc dddd ddie ddrc ddre ddub debe debi debt debu dec- decc decd dece deci dect dedd dede dedi dedu deeb deed deeg deer deet dege degi degu deid deie deir deit der- derb derc dere derg deri derr dete detr deue deur deut dgeg dgge dibb dibe dice dici dict dide didi didu dieb died dier diet dieu dige digg digi diii dird dire dirr dirt dite diti ditt drbc dred dree dreg drei dret drge drib dric drie drit drub drue drug drui drut druu dtcc dted dub- dubb dubc dube dubu duce duct dudd dude dudu duer duet dugu duid duir duit dure durg duri durt duru dute duur duut ebbc ebbr ebcc ebed eber ebic ebid ebit ebru ebur ecbc ecbe eccb eccc ecce ecci ecct ecdc eced ecib ecig ecit ecrc ecri ecrr ecru ect- ectc eddc edde eddi ede- edei eder edge edie edit edru educ edur eede eedu eeee eerc eerg eetc eete eetu egbe egbu egcc egcg egcr egec egee eger eggb egge eggi egir egre egri egte eid- eide eidi eidr eidu eiec eied eiei eier eige eigg eird eire eitb eitc eiti eitr erbb erbe ercc erce erde erdi ereb erec ered erei erer eret erg- ergg ergi eric erie erit eriu errc erre ertu erub eruc erur etbc etbr etcc etec etee eter etic etre ette etti ettu etui eubc eubi eucd eude euer euge eur- eurc eure eurt gbde gc-c gcbc gccc gcet gcic gcii gcrg gctc gdci gddb gdrc gdrt gebe gebi gece gedd gede gedi gedu geed geer geet gege gegg geic geie geig geir geit gerb gerd gere geri gert geru getb gete getg geti gett geue ggbt gggg gibb gibe gicr gidc gidd gide gidi gied gier giet gige gigg gigi gird gire girg giri girr girt giru gite giue giur grbr grcc grce grdc greb grec gree greg gret greu grib gric grid grie grig grit grrr grtc grub grue grug grui grur grut gtbr gtcr gubb gubi gubu guci gude gudi gudu guer gugb guge gugg gugi gugu guib guid gurb gurd gure gurg guri gurr gurt guru gute guti gutt gutu i-be ibec ibed ibeg ibet ibge ibid ibie ibrc ibrd ibri ibtb ibtc icbc icbd iccb iccc icci iccr icct iccu icdc icdd icde icec iced icee icer icet icgc icrc icre icrr icrt icru icub icue idbe idce idcr idec ided idee ider idic idid idie idig idir idrc idre idub iecc iedr ieet ieie iere ieri iett ieud igbc igcc iger iget igri igue iicd iide iied iiie iiii iiit iirc iitr iitt iiuc irbe ircc ircd ircg ircu irdc ired iree irer iri- iric irid irie irig irrc irre irri irte irti itbe itec iter itet itgc itic itie itri itur iucc iuce iuge iuiu rbbb rbbr rcbc rccb rccc rcdc rcde rcet rcgc rcic rcid rcrd rcrg rctc rctg rcti rder rebb rebe rebu recc recd rece reci recr rect recu redc redd rede redi redr redu reeb reed reet regd rege regi regr regt regu reid reii reir reit reiu rerd rere rerg reri rert reru retd rete reti retr rett reue reut reuu rgbe rgbi rgit rgtr rib- ribe ribu ricc rice rict ridc ridd ride ridi ried rier riet rieu rige rigg rigi rigu rire riri rite riti ritt ritu riue rred rrrr rtcc rtce rtcg rtdt rtee rtei rubb rube rubi rubu ruce ruci ruct rudd rude rudi rued ruer ruet ruge rugg rugi ruid ruit rurc rurd rure ruri ruru rute ruti rutt rutu ruud tbcb tbcc tbcd tbce tbit tbrb tccc tccu tcdd tctc tddb tdri tebu tecr tect tedd tede tedi teec teed teer teet tegg tegi tegt tegu teic teie teir teiu ter- terc tere teri terr teru tete teti tetr tett tetu teut tgcc tgtc tibi tibu ticc tice tidc tidd tide tie- tied tiee tiei tier tiet tige tigi tigr tiit tiiu tirb tird tire tiri tirr tiru titc tite titi titt titu trcc tre- trec tred tree treg trei tret treu trge tri- trib tric trie trig trit trtc trte trtr trub truc trud true trug trut truu ttbb tter tttt tubb tube tubr tubu tucc tude tudi tudu tuei tuer tuet tugg tugu tuig tuit tuiu turb turc turd ture turg turi turr turt turu tute tuti tutt tutu u-ie ubbe ubbi uber ubet ubic ubid ubii ubir ubit ubud ucbc ucci ucdc ucdd ucrc ucut udbc uddi uder udet udgb udge udic udid udig udir ueir ugcc ugcg uggt ugri ugur uguu uige uirr urbe urbi urci urde urdu ure- ured uret urge urgi urgu urib uric urie uriu urre urri urte urur urut utec uter utid utri utti uttu utug uuri uuuu

-tree b-e-d bbbee bcced bd-re be-er bebed beber bebic bebti becic beciu becue becut bedde bedee beder bedet bedid bedri bedub bedue bedug beebe beede beedi beerd beeri beete beeut begee beget begge begic begti begue begur begut beibi beice beide beidi beidu beier beige beird beire beite berbe bercu berde berdu berec bered bereg berei beret berge bergi berid berie berig berit beriu berre berri berru berte berti betee beter betid betie betre bett- bette betti beuer beure beute bibbe biber bibic bibie bibri bicer bidde biddu bided bider bidet bidri bidur biebe bierd biere bieri biert bieti big-i bigge bigig biide birde birdu birgi birgu birie birur bited biter bitit bitru bitte bitti biure brebu brece bredd brede bredi bredt breed breer breet breg- brege bregg breid breit brerd brere brett breu-