-er -ic c-- ccc cce cci cck cco ccr ccs cct ce- cec cee cei cek ceo cer ces cet ci- cic cie cii cik cio cir cis cit ckc cki cko cks ckt co- coc coe coi cok coo cor cos cot crc cre cri crk cro crr crs crt csc cse csi csk cso csr css cst ctc cte cti ctk cto ctr cts ctt ec- ecc ece eci eck eco ecr ecs ect eec eee eek eeo eer ees eet eic eie eii eik eio eir eis eit ekc eke eki eko ekr eks ekt eo- eoc eoe eoi eok eoo eor eos eot erc ere eri erk ero err ers ert es- esc ese esi esk eso esr ess est etc ete eti etk eto etr ets ett icc ice ici ick ico icr ics ict ie- iec iee iei iek ier ies iet iic iie iii iio iir iis iit ikc ike iki ikk iko ikr iks ikt io- ioc ioe ioi ioo ior ios iot ir- irc ire iri irk iro irr irs irt is- isc ise isi isk iso isr iss ist itc ite iti itk ito its itt k-t kcc kce kci kck kcr kcs kct ke- kec kee kei kek keo ker kes ket kic kie kii kik kio kir kis kit kkc kke kki kkk kkr kks kkt koc koe koi kok koo kor kos kot krc kri krk kro krr krs krt ksc kse ksi ksk kso ksr kss kst ktc kte ktk kto ktr kts ktt o-i oc- occ oci ock oco ocr ocs oct oec oee oei oeo oer oes oet oic oie oii oik oio oir ois oit okc oke oki okk oko okr oks oo- ooc ooi ook ooo oor oos oot or- orc ore ori ork oro orr ors ort os- osc ose osi osk oso osr oss ost ot- otc ote oti otk oto otr ots ott rcc rce rci rco rcr rcs rct re- rec ree rei rek reo rer res ret ric rie rii rik rio rir ris rit rkc rke rkk rko rks rkt roc roe roi rok roo ror ros rot rrc rri rrk rrr rrs rrt rsc rse rsi rsk rso rsr rss rst rtc rte rti rtk rto rtr rts rtt scc sce sci sck sco scr scs sct se- sec see sei sek seo ser ses set sic sie sii sik sio sir sis sit sk- skc ske ski skk sko skr sks skt soc soe soi sok soo sor sos sot sr- src sre sri srk sro srr srs srt ss- ssc sse ssi ssk sso ssr sss sst stc ste sti stk sto str sts stt tcc tce tci tck tco tcr tcs tct te- tec tee tei tek teo ter tes tet tic tie tii tik tio tir tis tit tkc tke tkk tko tkr tks tkt to- toc toe toi tok too tor tos tot trc tre tri trk tro trr trs trt tsc tse tsi tsk tso tsr tss tst ttc tte tti ttk tto ttr tts ttt

-ose cccc ccci cccs ccee ccic ccii ccir ccis ccoc ccrc ccre ccri ccrs ccrt ccsi ccss ccst cctc cctt cec- cece ceci ceco cecs cect ceec cees ceke ceor ceos cer- cerc cere ceri cero cers cert cesc cese cesi cesr cess cest cet- cete ceti ceto cets cicc cici cico cicr cics cict ciee cier cies ciii ciis ciit ciko cikr cior cios circ cire ciri cirk ciro cirr cirs cirt cis- cisc cise cisk cisr ciss cist cite citi cito cits citt ckck ckco ckcs cker ckoc ckoi ckoo ckor ckos ckot ckrc ckso ckst ckts coce cock coco coct coes coir cois coit cok- coke coko cook coos coot cor- corc core cori cork coro corr cors cort cosc cose cosi coso coss cost cotc cote coti coto cots cott crcc crce crcr cre- crec cree crei creo cres cret cric crie crik cris crit crkc croc croe crok croo cror crot crrt crss crst crtc crts cscc csce csci csco cscr cscs csec csee cser cset csik csio csir csis csit csks csor csos csot csrc csrs csse cssr cstc csto cstr csts ctec ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts eccc ecce ecci ecco ecct eces ecis ecit ecko ecks eco- ecos ecot ecrc ecri ecrr ecsc ecse ecss ect- ectc ecto ects eecs eeee eees eeke eeks eeoc eerc eero eers eese eesi eesk eetc eete eets eick eico eics eiec eiei eier eies eike eiki eiko eiks eire eirs eise eisk eiso eiss eist eitc eiti eito eitr ekco ekek eker ekes eket ekis ekki ekoi ekos eksi eoes eoir eois eore eori eost eotc eoto eots ercc erce erec erei erer eres eret eric erie erik erio eris erit erke erki erks eroc eroe eroi eroo eros errc erre erro errs erse ersi erso erst erts esce esci esco escr escs esee esek eseo eser eses eset esie esik esis esit eske esko esks eso- esok esos esri esse essi esso esst estc este esto estr ests etcc etco etcs etec etee eter etes etic etik etio etoe etok etos etre etro etsi ette etti etto iccc icci icco iccr iccs icct icec icee icer ices icet icis icke icks icoc icor icos icrc icre icrr icrs icrt icsc icse icsi icsr icss icst icts iecc ieet ieie ieio iere ieri iers iesc iesi ieso iesr iest iett iies iiie iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisi iisr iist iitr iitt ikee iker ikes ikki ikko ikoo ikri ioci ioee ioii ioio ioit ioke ioko iooi iooo ioos iore iori iors ioso iote ioto ircc ircs iree irer ires iri- iric irie irio iris irki irks iroc irrc irre irri irrs irse irte irti irts iscc isci isco iscr iscs isct isec isee iseo iser ises iset isic isie isis isit isko iso- isoc isok isor isos isri