chui chur chut cibc cibe cibi cicc cich cici cicr cict cicu cidc cide cidi cidr cidt ciee cier cihr ciht ciid ciii ciit cirb circ cire cirh ciri cirr cirt citb cite cith citi citt citu ciuc crbc crbu crcc crce crcr crdc cre- creb crec cred cree creh crei cret creu crib cric crie crit criu crrt crtc crub crud crue crut ctbi ctec 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 cuth cutt dbcc dbit dbtt dcbc dccb dccc dcci dcct dccu dcdb dche dcii dctc dddd ddie ddrc ddre ddub debe debi debt debu dec- decc decd dece deci dect dedd dede dedi dedu deeb deed deer deet dehi dehu deid deie deih deir deit der- derb derc dere deri derr dete deth detr deue deur deut dhec dhed dhee dher dhur dibb dibe dice dich dici dict dide didi didu dieb died dier diet dieu dihu diii dird dire dirr dirt dite dith diti ditt drbc dred dree dreh drei dret drib dric drie drih drit drub drue drui drut druu dtcc dted dthd dub- dubb dubc dube dubh dubu duce duch duct dudd dude dudu duer duet duhe duhr duhu duid duir duit dure 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 eche echt ecib ecit ecrc ecri ecrr ecru ect- ectc ecth eddc edde eddi ede- edeh edei eder edhi edie edit edru educ edur eede eedu eeee eerc eetc eete eeth eetu ehcc ehdd eheh eher eheu ehre ehte ehud eich eid- eide eidi eidr eidu eiec eied eiei eier eird eire eitb eitc eith eiti eitr erbb erbe ercc erce erch erde erdi ereb erec ered erei erer eret erhc erhu eric erie erih erit eriu errc erre erth ertu erub eruc eruh erur etbc etbr etcc etch etec etee eter eth- ethe etic etre ette etti ettu etui eubc eubi eucd euch eude euer eur- eurc eure eurt euth h-ii hbcd hbic hbit hbtu hcbc hccb hccc hcch hcdr hchi hcrd hdci hdri hdtt hebb hebe hebi hebr hech hect hedd hede hedi heeb heed heer heet hehe heic heid heie heih heir heit herb herc herd here heri herr hert heru hete heth hett hetu heue heui heur hhhh hi-c hibi hibt hibu hicc hice hich hide hidi hied hiei hier hiet hieu hihc hihe hihi hiht hiie hiit hiiu hird hire hiri hirt hiru hitc hite hiti hitt hrdc hree hrib hrid hrit hrrc hrtb hrte hrud htcc htet httr hubb hube hubi huch hucu hudd hude hudi hudu hued huer huet huhi huhu huib huid huie huir huit hurd hure huri hurr hurt huru hute huth huti hutt hutu huub i-be ibec ibed ibeh ibet ibid ibie ibrc ibrd ibri ibtb ibtc icbc icbd iccb iccc icci iccr icct iccu icdc icdd icde icec iced icee icer icet ichc ichd iche ichi ichr ichu icrc icre icrr icrt icru icub icue idbe idce idcr idec ided idee ider idic idid idie idir idrc idre idub iecc iedr ieet ieie iere ieri iett ieud ihcc ihdr ihed iher ihit ihrc ihrd ihre ihtc ihub ihud iicd iide iied iiht iiie iiii iiit iirc iitr iitt iiuc irbe ircc ircd ircu irdc ired iree irer iri- iric irid irie irrc irre irri irte irti itbe itch itec iter itet ithc ithe itic itie itri itur iucc iuce iuiu rbbb rbbr rcbc rccb rccc rcdc rcde rcet rchb rcic rcid rcrd rctc rcti rder rebb rebe rebu recc recd rece rech reci recr rect recu redc redd rede redh redi redr redu reeb reed reet rehb rehe rehi reht reid reii reir reit reiu rerd rere reri rert reru retd rete reth reti retr rett reue reut reuu rhce rheb rhee rhet rhib rhue rib- ribe ribu ricc rice rich rict ridc ridd ride ridi ried rier riet rieu riht rire riri rite rith riti ritt ritu riue rred rrrr rtcc rtce rtdt rtee rtei rubb rube rubi rubu ruce ruch ruci ruct rudd rude rudi rued ruer ruet ruhe ruhh ruhi ruhr ruid ruit rurc rurd rure ruri ruru rute ruth ruti rutt rutu ruud tbcb tbcc tbcd tbce tbit tbrb tccc tccu tcdd tch- tche tchh tchi tchr tchu tctc tddb tdri tebu tech tecr tect tedd tede tedi teec teed teer teet tehi tehr teic teie teir teiu ter- terc tere teri terr teru tete teth teti tetr tett tetu teut thch thdr the- theb thec thed thee thei ther thet theu thi- thic thie thir thre thri thru thtb thtr thud thue thur tibi tibu ticc tice tich tidc tidd tide tie- tied tiee tiei tier tiet tiht tihu tiit tiiu tirb tird tire tiri tirr tiru titc tite tith titi titt titu trcc tre- trec tred tree trei tret treu tri- trib tric trie trit trtc trte trtr trub truc trud true trut truu ttbb tter tttt tubb tube tubr tubu tucc tuch tude tudi tudu tuei tuer tuet tuht tuhu tuit tuiu turb turc turd ture turi turr turt turu tute tuti tutt tutu u-ie ubbe ubbi uber ubet ubic ubid ubii ubir ubit ubud ucbc ucci ucdc ucdd uche uchi ucrc ucut udbc uddi uder udet udic udid udir ueir uh-d uhde uher uhid uhti uhuh uirr urbe urbi urch urci urde urdu ure- ured ureh uret urib uric urie uriu urre urrh urri urte urth urur urut utec uter uthe utid utri utti uttu uuri uuuu

-tree b-e-d bbbee bcced bd-re be-er bebed beber bebic bebti beche becic beciu becue becut bedde bedee beder bedet bedid bedri bedub bedue beebe beech beede beedi beerd beeri beete beeth beeut beher behet behie behir behue beibi beice beide beidi beidu beier beihe beihu beird beire beite beith berbe bercu berde berdu berec bered bereh berei beret berhe berid berie berit