-er -ic c-- ccc cce cci cck ccr cct ce- cec cee cei cek cer cet ci- cic cie cii cik cir cit ckc cki ckt crc cre cri crk crr crt ctc cte cti ctk ctr ctt ec- ecc ece eci eck ecr ect eec eee eek eer eet eic eie eii eik eir eit ekc eke eki ekr ekt erc ere eri erk err ert etc ete eti etk etr ett icc ice ici ick icr ict ie- iec iee iei iek ier iet iic iie iii iir iit ikc ike iki ikk ikr ikt ir- irc ire iri irk irr irt itc ite iti itk itt k-t kcc kce kci kck kcr kct ke- kec kee kei kek ker ket kic kie kii kik kir kit kkc kke kki kkk kkr kkt krc kri krk krr krt ktc kte ktk ktr ktt rcc rce rci rcr rct re- rec ree rei rek rer ret ric rie rii rik rir rit rkc rke rkk rkt rrc rri rrk rrr rrt rtc rte rti rtk rtr rtt tcc tce tci tck tcr tct te- tec tee tei tek ter tet tic tie tii tik tir tit tkc tke tkk tkr tkt trc tre tri trk trr trt ttc tte tti ttk ttr ttt

cccc ccci ccee ccic ccii ccir ccrc ccre ccri ccrt cctc cctt cec- cece ceci cect ceec ceke cer- cerc cere ceri cert cet- cete ceti cicc cici cicr cict ciee cier ciii ciit cikr circ cire ciri cirk cirr cirt cite citi citt ckck cker ckrc crcc crce crcr cre- crec cree crei cret cric crie crik crit crkc crrt crtc ctec ctic ctrc eccc ecce ecci ecct ecit ecrc ecri ecrr ect- ectc eeee eeke eerc eetc eete eick eiec eiei eier eike eiki eire eitc eiti eitr ekek eker eket ekki ercc erce erec erei erer eret eric erie erik erit erke erki errc erre etcc etec etee eter etic etik etre ette etti iccc icci iccr icct icec icee icer icet icke icrc icre icrr icrt iecc ieet ieie iere ieri iett iiie iiii iiit iirc iitr iitt ikee iker ikki ikri ircc iree irer iri- iric irie irki irrc irre irri irte irti itec itek iter itet itic itie itri k-ci kccc kcci kcck kccr kcct kcec kcee kcei kcet kcic kcie kcii kcir kcit kckc kckk kckr kcrc kcri kcrr kcrt kctc kcte kcti keck kecr keek keer keet keii keik keir kekc keke keki ker- kerc kere keri kerk kerr kert ket- ketc kete keti ketk ketr kett kicc kice kick kicr kict kier kiic kiii kiik kiit kikc kiki kikk kikr kikt kirc kiri kirk kirr kirt kitc kite kiti kitr kitt kkci kkck kkcr kkct kkic kkik kkit kkkk kkrc kkre kkrk kkrr kkrt kktc kktk krcc krce krci krec kree krei krek kret krik krit krkc krke krki krkk krkr krrc krre krri krrk krrr krrt krtc krti krtk krtr ktcc ktce ktck ktcr ktec ktee ktek ktic ktie ktik ktkc ktke ktkk ktkr ktkt ktrc ktre ktri ktrk ktrr ktrt kttc ktti kttk kttr kttt rccc rcet rcic rctc rcti recc rece reci reck recr rect reek reet reii reik reir reit reke reki rekt rere reri rert rete reti retr rett ricc rice rick rict riek rier riet rike riki rikk rire riri rite riti ritt rrrr rtcc rtce rtee rtei tccc tctc teck tecr tect teec teek teer teet teic teie teir teke ter- terc tere teri terk terr tete teti tetr tett ticc tice tick tie- tiee tiei tier tiet tiit tike tiki tire tiri tirr titc tite titi titt trcc tre- trec tree trei trek tret tri- tric trie trik trit trtc trte trtr tter tttt

-tree c-kit c-tec ccccc cccii ccett cciii ccitt ceci- cecie cecri ceere ceirt cerc- cerce cerci cerec cerer ceret ceric cerie cerik cerke cerre certe cetic cetki cette cicek cicer cicke cieck cietc circe circk ciric cirie cirke cirr- cirri citec citee citer citie citr- citte ckick crece creek creer creke crete crice crick crier crike ctree ctrie cttee ecker ecrit eecke eeeee eerie eerik eetti eicke eiker eirie eiter eitri ekici ekker erect erere erice erick erier eriic erite erkec erkki erte erter eteke etete etike etite etree etrek etter ettie i-rtk ice-t iceci iceit icici icier icker icter ictic iecee ieiri ierei iette iiiee iiiii iitti ikire ircii irece irete iriki irite irker irrit irtec itete itire itter ittre ittti kecer keere keeri keiki keire keiri keitt kekec kekri kerei kerek keret kerie kerik kerre kerri ketek keter kette ketti kickt kieke kiiki kikki kirck kirie kirke kirki kirre kitee kiter kitic kitir kitki kitte kitti kreek kreke kreki krete krici krick kriek krier krike kriti rcirc recce recet recit recke rect- recte recti reece reere reeti reice reick reiek reike reiki rekke rere- reree reret reric rerik rerir retee reter retie retki rette ricci ricer ricki rieti rikei riker rikki ririe ritek rt-rk rtice tecic teiki teket tekir tekke tekki tekti terce terek teret terki terre terri tert- teter tetr- tetri tette ti-ti ticci ticer tieck tieit tieke tiere tieri tikei tiket tikit tikki tikri tiree tirer tiret tirit titcr titer titii titik titre titte titti tkiet tkirk treck treer treet treie treit trere treri trete trett trice trick triei trier triet trike triki trikk trit- trite tritt ttttt

c-trie ceecee ceitec cercie cerete cerice cerici cerite certie cicree circke cirice cirici cirri- citect citice citri- citric creeke creete creket cretic cricke criket critic eckert ecrier ecrire eerect eerier ericii errett etcetc ettick i-crei i-tree ickier icter- ikette ikkeri iritic irrite ittiri k-tree keeker keerie keerti keiter kereki kerite kerker kerrie kerrik kertee ketiki ketter kettie kettik kickee kicker kickit kiekie kierie kikiki kikkik kiriri kirite kiriti kirker kirtik kiteer kitere kittie kreeri kreker kretek kricke kritik krtici r-tree receit recice reciet recite recti- reeker reikie reiter rekick rekrei retece reteer reteet retere retick retire retree retret retter ricet ricice ricker ricket