cccc ccci ccee ccic ccii ccir cciw cckw ccoc ccow ccrc ccre ccri ccrt cctc cctt cec- cece ceci ceco cect ceec ceke ceor cer- cerc cere ceri cero cert cet- cete ceti ceto cewe cicc cici cico cicr cict ciee cier ciii ciit ciko cikr cior circ cire ciri cirk ciro cirr cirt cite citi cito citt ciww ckck ckco ckcw cker ckoc ckoi ckoo ckor ckot ckrc ckrw ckwr ckww coce cock coco coct coir coit cok- coke coko cook coot cor- corc core cori cork coro corr cort cotc cote coti coto cott cotw cowe cowt crcc crce crcr cre- crec cree crei creo cret crew cric crie crik crit crkc croc croe crok croo cror crot crow crrt crtc ctec ctic ctor ctot ctrc cttw cwer cwot cwrw eccc ecce ecci ecco ecct ecit ecko eco- ecot ecrc ecri ecrr ect- ectc ecto eeee eeke eeoc eerc eero eetc eete eick eico eiec eiei eier eike eiki eiko eire eitc eiti eito eitr ekco ekek eker eket ekki ekoi ekwe eoir eore eori eotc eoto eotw ercc erce erec erei erer eret erew eric erie erik erio erit erke erki eroc eroe eroi eroo errc erre erro erwt etcc etco etec etee eter etic etik etio etoe etok etre etro ette etti etto ewer ewew ewok ewre ewte iccc icci icco iccr icct icec icee icer icet icew icke icoc icor icrc icre icrr icrt icrw iecc ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iirc iitr iitt iiwi ikee iker ikki ikko ikoo ikri ikwo ioci ioee ioii ioio ioit ioke ioko iooi iooo iore iori iote ioto iowe ircc iree irer iri- iric irie irio irki iroc irrc irre irri irte irti itec itek iter itet itic itie itko itoi itoo itor itri itto itwe iwcc iwce iwie iwiw k-ci kccc kcci kcck kccr kcct kcec kcee kcei kceo kcet kcic kcie kcii kcir kcit kckc kckk kcko kckr kcoe kcor kcot kcow kcrc kcri kcro kcrr kcrt kcrw kctc kcte kcti kcto kcwc kcwe kcwk kcwr kcwt keck keco kecr keek keer keet keii keik keio keir kekc keke keki keko keok ker- kerc kere keri kerk kero kerr kert ket- ketc kete keti ketk keto ketr kett kewe kewr kewt kicc kice kick kicr kict kicw kier kiew kiic kiii kiik kiit kikc kiki kikk kiko kikr kikt kioc kioe kioi kiok kioo kiot kiow kirc kiri kirk kiro kirr kirt kitc kite kiti kito kitr kitt kiwi kiwr kkci kkck kkco kkcr kkct kkcw kkic kkik kkit kkkk kkoo kkor kkot kkow kkrc kkre kkrk kkro kkrr kkrt kktc kktk kkwe kkwk koci kock koct kocw koei koii koir koit kokc koke koki kokk koko kokr kooc kooi kook kooo koor koot korc kore kori kork koro korr kort kotc kote koti kotk koto kotr kott kowe kowi kowr krcc krce krci krco krcw krec kree krei krek kreo kret krew krik krio krit krkc krke krki krkk krko krkr krkw kroc kroe kroi krok kroo kror krow krrc krre krri krrk krro krrr krrt krrw krtc krti krtk krto krtr krwc krwk krwr ktcc ktce ktck ktco ktcr ktec ktee ktek ktic ktie ktik ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktri ktrk ktro ktrr ktrt ktrw kttc ktti kttk ktto kttr kttt kttw ktwi ktwo kwck kwcr kwee kwei kwic kwie kwik kwit kwkc kwkk kwkr kwkw kwoc kwok kwor kwow kwre kwri kwrk kwro kwrr kwrt kwrw kwto kwtr kwtw kwwk kwwr kwwt o-eo occc occi occt oce ocee ocet ocke ocre ocro ocrr oct- octe octi octo oec- oecc oeec oere oeti oici oick oier oiii oike oiko oire oirt oitc oiti oker oket okic okie okir okko okok okor okot okre okro okto oocr ooer oooo oore oort ootw orce orci orco ore- orec orek oreo orer ori- oric orie orio orit orke orko oro- oroe orok oror orot orri orro ortc orte orto orwe orwo otee oter otic otit oto- otoe otok otoo otor otow otre otro otte otti otto otwo ower owie owir owoe owow owre owt- owte owtt rccc rcet rcic rctc rcti recc rece reci reck recr rect reek reet reii reik reir reit reke reki reko rekt reot rere reri rero rert rete reti reto retr rett rewe ricc rice rick rico rict riek rier riet riew rike riki rikk riot rire riri rite riti rito ritt riwo rocc roce rock roco roer roet roik roio roir roit roke roki rokk roko rokr rooi rook roor root rorc rore rori rork roro rort rotc rote roti rotk roto rotr rott rowe rowi rowk rowr rowt roww rrrr rtcc rtce rtee rtei rwik tccc tctc teck teco tecr tect teec teek teer teet teic teie teir teke teok teor teow ter- terc tere teri terk tero terr tete teti teto tetr tett tewo ticc tice tick tico tie- tiee tiei tieo tier tiet tiew tiit tike tiki tiko tire tiri tiro tirr titc tite titi tito titt tiwi toce toci tock toco toee toei toek toer toet toie toit toke toki toko took toor toot torc tore tori tork toro torr tort totc tote toti toto totr tott towe towk trcc tre- trec tree trei trek treo tret trew tri- tric trie trik trio trit troc troe troi troo trot trow trtc trte trtr trwe tteo tter ttoe tttt twee twei twer twi- twic twie twik twit twke two- twoc twoo twot wccc wcce wcci wcck wcco wccr wcct wccw wcec wcee wceo wcer wcet wcic wcie wcii wcik wcir wcit wcki wckk wckr wckt wckw wcoc wcoe wcok wcoo wcor wcot wcrc wcre wcri wcrk wcro wcrr wcrt wcrw wctc wcte wcti wctk wcto wctr wctt wctw wcwc wcwi wecc weci weck weco wecr wect wecw weec weei week weeo weer weet weic weie weii weik weio weir weit wekc weke weki weko wekr wekt wekw weok weow wer- werc