-er -ic c-- ccc cce cci cck cco ccr cct ce- cec cee cei cek ceo cer cet ci- cic cie cii cik cio cir cit ckc cki cko ckt co- coc coe coi cok coo cor cot crc cre cri crk cro crr crt ctc cte cti ctk cto ctr ctt ec- ecc ece eci eck eco ecr ect eec eee eek eeo eer eet eic eie eii eik eio eir eit ekc eke eki eko ekr ekt eo- eoc eoe eoi eok eoo eor eot erc ere eri erk ero err ert etc ete eti etk eto etr ett icc ice ici ick ico icr ict ie- iec iee iei iek ier iet iic iie iii iio iir iit ikc ike iki ikk iko ikr ikt io- ioc ioe ioi ioo ior iot ir- irc ire iri irk iro irr irt itc ite iti itk ito itt k-t kcc kce kci kck kcr kct ke- kec kee kei kek keo ker ket kic kie kii kik kio kir kit kkc kke kki kkk kkr kkt koc koe koi kok koo kor kot krc kri krk kro krr krt ktc kte ktk kto ktr ktt o-i oc- occ oci ock oco ocr oct oec oee oei oeo oer oet oic oie oii oik oio oir oit okc oke oki okk oko okr oo- ooc ooi ook ooo oor oot or- orc ore ori ork oro orr ort ot- otc ote oti otk oto otr ott rcc rce rci rco rcr rct re- rec ree rei rek reo rer ret ric rie rii rik rio rir rit rkc rke rkk rko rkt roc roe roi rok roo ror rot rrc rri rrk rrr rrt rtc rte rti rtk rto rtr rtt tcc tce tci tck tco tcr tct te- tec tee tei tek teo ter tet tic tie tii tik tio tir tit tkc tke tkk tko tkr tkt to- toc toe toi tok too tor tot trc tre tri trk tro trr trt ttc tte tti ttk tto ttr ttt

cccc ccci ccee ccic ccii ccir ccoc ccrc ccre ccri ccrt cctc cctt cec- cece ceci ceco cect ceec ceke ceor cer- cerc cere ceri cero cert cet- cete ceti ceto cicc cici cico cicr cict ciee cier ciii ciit ciko cikr cior circ cire ciri cirk ciro cirr cirt cite citi cito citt ckck ckco cker ckoc ckoi ckoo ckor ckot ckrc coce cock coco coct coir coit cok- coke coko cook coot cor- corc core cori cork coro corr cort cotc cote coti coto cott crcc crce crcr cre- crec cree crei creo cret cric crie crik crit crkc croc croe crok croo cror crot crrt crtc ctec ctic ctor ctot ctrc 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 eoir eore eori eotc eoto ercc erce erec erei erer eret eric erie erik erio erit erke erki eroc eroe eroi eroo errc erre erro etcc etco etec etee eter etic etik etio etoe etok etre etro ette etti etto iccc icci icco iccr icct icec icee icer icet icke icoc icor icrc icre icrr icrt iecc ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iirc iitr iitt ikee iker ikki ikko ikoo ikri ioci ioee ioii ioio ioit ioke ioko iooi iooo iore iori iote ioto 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 k-ci kccc kcci kcck kccr kcct kcec kcee kcei kceo kcet kcic kcie kcii kcir kcit kckc kckk kcko kckr kcoe kcor kcot kcrc kcri kcro kcrr kcrt kctc kcte kcti kcto 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 kicc kice kick kicr kict kier kiic kiii kiik kiit kikc kiki kikk kiko kikr kikt kioc kioe kioi kiok kioo kiot kirc kiri kirk kiro kirr kirt kitc kite kiti kito kitr kitt kkci kkck kkco kkcr kkct kkic kkik kkit kkkk kkoo kkor kkot kkrc kkre kkrk kkro kkrr kkrt kktc kktk koci kock koct 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 krcc krce krci krco krec kree krei krek kreo kret krik krio krit krkc krke krki krkk krko krkr kroc kroe kroi krok kroo kror krrc krre krri krrk krro krrr krrt krtc krti krtk krto krtr 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 kttc ktti kttk ktto kttr kttt 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 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 otee oter otic otit oto- otoe otok otoo otor otre otro otte otti otto 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 ricc rice rick rico rict riek rier riet rike riki rikk riot rire riri rite riti rito ritt 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