cptr crbc crcc crce crcr crdc cre- creb crec cred cree creg crei crep cret crib cric crie crig crip crit crpc crrt crtc crtp ctbi ctcp ctec ctep ctge ctic ctpp ctrc ctrp dbcc dbcp dbgp dbit dbpc dbpd dbtt dcbc dccb dccc dcci dccp dcct dcdb dcii dcpg dctc dddd ddie ddrc ddre debe debi debt dec- decc decd dece deci dect dedd dede dedi deeb deed deeg deep deer deet dege degi deid deie deip deir deit depc depe depp depr dept der- derb derc dere derg deri derp derr dete detr dgeg dgge dibb dibe dibp dice dici dict dide didi dieb died diep dier diet dige digg digi diii dipc dipe dipp dipt dird dire dirr dirt dite diti ditt dpbc dpci dpcp dpdt dper dpie dppc dprg drbc dred dree dreg drei dret drge drib dric drie drip drit dtcc dtdp dted dttp ebbc ebbr ebcc ebed eber ebic ebid ebit ecbc ecbe eccb eccc ecce ecci ecct ecdc eced ecib ecig ecip ecit ecpd ecpg ecpp ecrc ecri ecrr ect- ectc eddc edde eddi eddp ede- edei eder edge edie edip edit eede eeee eerc eerg eetc eete egbe egcc egcg egcr egec egee eger eggb egge eggi eggp egir egpb egpd egpe egpi egre egri egte eid- eide eidi eidr eiec eied eiei eier eige eigg eipr eird eire eitb eitc eiti eitr epcc epci epec epee eper epi- epic epid epie epip epit eppc eppp eprb eprp epte erbb erbe ercc erce ercp erde erdi ereb erec ered erei erer eret erg- ergg ergi eric erie erit erpe errc erre etbc etbr etcc etec etee eter etic etre ette etti gbde gc-c gcbc gccc gcet gcic gcii gcpc gcrg gctc gdci gddb gdrc gdrt gebe gebi gece gedd gede gedi geed geep geer geet gege gegg geic geie geig geir geit gepe gerb gerd gere geri gert getb gete getg geti gett ggbt gggg gibb gibe gicr gidc gidd gide gidi gied gier giet gige gigg gigi gipe gipi gipp gird gire girg giri girr girt gite gper gpgp gpip gprd gprp grbr grcc grce grdc greb grec gree greg grep gret grib gric grid grie grig grip grit grpc grrr grtc gtbr gtcr gtip i-be ibec ibed ibeg ibet ibge ibid ibie ibrc ibrd ibri ibtb ibtc icbc icbd icbp iccb iccc icci iccp iccr icct icdc icdd icde icdp icec iced icee icer icet icgc icpc icpd icrc icre icrr icrt ictp idbe idce idcr idec ided idee ider idic idid idie idig idir idrc idre idtp iecc iedr ieet ieie iere ieri iett igbc igcc igcp iger iget igri iicd iide iied iiie iiii iiit iirc iitr iitt ipcc ipce ipct ipdc ipdi ipec iper ipet ipid ipie ippc ippr ipri iptc irbe irbp ircc ircd ircg irdc irdp ired iree irer iri- iric irid irie irig irip irpc irpe irrc irre irri irte irti irtp itbe itec itep iter itet itgc itic itie itpc itri pbcc pbed pbgc pcbc pccc pcce pcep pcer pcgg pcip pcpb pcpp pcrc pcrd pcre pcte pdci pdcp pdic pdpr pdrc pdtc pece peci pecr pect ped- pede pedi peec peed peep peer peet pegg peip peir peit pepd pepe pepi per- perc perd pere perg peri perp perr pert pete peti petr pett pgcc pgce pgde pger pgib pgrc pibb pibi picc pice pici picr pict pide pied piep pier piet pigb pigc pigg pigp pigt piip pipe pipi pipp pirc pire pirg piri pirr pite piti pitr pitt ppcc ppcd ppci pper ppgi ppib ppic ppid ppie ppig pppd pppp pprc pptt prbc prcc prcd prcp pre- preb prec pred pree preg prep pret pri- prid prie prig prii prpd prrd prri prtc prti prtp prtr ptcc ptdc pter ptpd ptrd pttc rbbb rbbr rcbc rccb rccc rcdc rcde rcep rcet rcgc rcic rcid rcpd rcpi rcpt rcrd rcrg rctc rctg rcti rdbp rder rdpc rebb rebe recc recd rece reci recp recr rect redc redd rede redi redr reeb reed reep reet regd rege regi regr regt reid reii reir reit repe repi repp repr rept rerd rere rerg reri rert retd rete reti retr rett rgbe rgbi rgit rgtr rib- ribe ricc rice rict ridc ridd ride ridi ried riep rier riet rige rigg rigi ripd ripe ripi ripp ripr ript rire riri rite riti ritt rpdp rpet rpii rptd rred rrrr rtcc rtce rtcg rtdt rtee rtei rttp tbcb tbcc tbcd tbce tbit tbrb tbtp tccc tcdd tcep tctc tddb tdri tecr tect tedd tede tedi teec teed teer teet tegg tegi tegt teic teie teip teir tepe tepi tepp ter- terc tere teri terp terr tete teti tetr tett tgcc tgtc tibi ticc tice tidc tidd tide tie- tied tiee tiei tiep tier tiet tige tigi tigr tiit tip- tipc tipe tipi tipp tipt tirb tird tire tiri tirr titc tite titi titp titt tpbg tpcd tpcp tped tpeg tper tpir tppd tppp tppr tpte tptp tptr trcc tre- trec tred tree treg trei tret trge tri- trib tric trie trig trip trit trpc trpe trpg trpp trtc trte trtr ttbb ttcp tter tttt

-tree b-e-d bbbee bcced bccip bd-re be-er bebed beber bebic bebti becic bedde bedee beder bedet bedid bedip bedri beebe beede beedi beepi beerd beeri beete begee beget begge begic begti beibi beice beide beidi beier beige beird beire beite beppe berbe berde berec bered bereg berei beret berge bergi berid berie berig berit berre berri berte berti betee beter betid betie betre bett- bette betti bibbe biber bibic bibie bibri bicep bicer bidde bided bider bidet bidri biebe bierd biere bieri biert bieti big-i bigge bigig biide biped bipib birde birgi birie bited biter bitit bitte bitti brece bredd brede bredi bredt breed breer breet breg- brege bregg breid breit brerd brere brett bribe brice bride bridg bridi briec brieg brier brige brigg brigi brite britt brrrr btc-e btr-d btr-t c-p-c c-tec ccccc cccii ccett cciii ccitt cdiii cdipt cdppb cebec