-er c-- ccc ccd cce cck cco ccr ccs cct cdc cdd cde cdk cdo cdr cds cdt ce- cec ced cee cek ceo cer ces cet ckc ckd cko cks ckt co- coc cod coe cok coo cor cos cot crc crd cre crk cro crr crs crt csc csd cse csk cso csr css cst ctc ctd cte ctk cto ctr cts ctt dcc dcd dce dck dco dcr dcs dct ddc ddd dde ddk ddo ddr dds ddt de- dec ded dee dek deo der des det dkc dke dkk dko dkr dks dkt doc dod doe dok doo dor dos dot drc drd dre drk dro drr drs drt dsc dsd dse dsk dso dsr dss dst dtc dtd dte dtk dto dtr dts dtt ec- ecc ecd ece eck eco ecr ecs ect ed- edc edd ede edk edo edr eds edt eec eed eee eek eeo eer ees eet ekc ekd eke eko ekr eks ekt eo- eoc eod eoe eok eoo eor eos eot erc erd ere erk ero err ers ert es- esc esd ese esk eso esr ess est etc etd ete etk eto etr ets ett k-t kcc kcd kce kck kcr kcs kct kdc kde kdk kdo kdr kds kdt ke- kec ked kee kek keo ker kes ket kkc kke kkk kkr kks kkt koc kod koe kok koo kor kos kot krc krd krk kro krr krs krt ksc ksd kse ksk kso ksr kss kst ktc kte ktk kto ktr kts ktt oc- occ ocd ock oco ocr ocs oct odc odd ode odo odr ods odt oec oed oee oeo oer oes oet okc okd oke okk oko okr oks oo- ooc ood ook ooo oor oos oot or- orc ord ore ork oro orr ors ort os- osc osd ose osk oso osr oss ost ot- otc otd ote otk oto otr ots ott rcc rcd rce rco rcr rcs rct rdc rdd rde rdo rdr rds rdt re- rec red ree rek reo rer res ret rkc rke rkk rko rks rkt roc rod roe rok roo ror ros rot rrc rrd rrk rrr rrs rrt rsc rsd rse rsk rso rsr rss rst rtc rtd rte rtk rto rtr rts rtt scc scd sce sck sco scr scs sct sdc sdd sde sdk sdo sdr sds sdt se- sec sed see sek seo ser ses set sk- skc skd ske skk sko skr sks skt soc sod soe sok soo sor sos sot sr- src srd sre srk sro srr srs srt ss- ssc ssd sse ssk sso ssr sss sst stc std ste stk sto str sts stt tcc tcd tce tck tco tcr tcs tct tdc tdd tde tdk tdo tdr tds tdt te- tec ted tee tek teo ter tes tet tkc tke tkk tko tkr tks tkt to- toc tod toe tok too tor tos tot trc trd tre trk tro trr trs trt tsc tsd tse tsk tso tsr tss tst ttc ttd tte ttk tto ttr tts ttt

-ose c-cd cccc cccs ccdc ccdr ccds cced ccee ccoc ccod ccrc ccre ccrs ccrt ccsd ccss ccst cctc cctt cd-e cd-r cdcs cddr cdec cder cdes cdos cdot cdre cdrs cdss cec- cece ceco cecs cect cedd cede cedo cedt ceec cees ceke ceor ceos cer- cerc cerd cere cero cers cert cesc cese cesr cess cest cet- cete ceto cets ckck ckco ckcs ckdo cker ckoc ckoo ckor ckos ckot ckrc ckrd ckso ckst ckts coce cock coco coct codd code cods coed coes cok- coke coko cood cook coos coot cor- corc cord core cork coro corr cors cort cosc cose coso coss cost cotc cote coto cots cott crcc crce crcr crdc cre- crec cred cree creo cres cret crkc croc crod croe crok croo cror crot crrt crss crst crtc crts cscc cscd csce csco cscr cscs csdr csec csee cser cset csks csor csos csot csrc csrd csrs cssd csse cssr cstc cstd csto cstr csts ctec ctor ctos ctot ctrc ctrs ctsc ctss ctts dccc dccs dcct dcds dcos dcrk dcsc dcss dctc dcts dddd ddes ddoc ddot ddrc ddre ddss ddts dec- decc decd dece deck deco decs dect dedd dede dedo deed deek deer dees deet dek- deke deks deor deos der- derc dere derk dero derr ders des- desc dese desk deso dess dest dete detk deto detr dets dkdc doce dock doco docs doct dod- dodd dode dodo dods doek doer does doke doko dood dook door doos doot dorc dord dore dork doro dorr dors dort dose dosk doso doss dost dotd dote dotk doto dots dott dred dree drek dres dret drod drot drrs dscc dscr dscs dsdr dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dted dtek dtor dtot dtss eccc ecce ecco ecct ecdc eced eces ecko ecks eco- ecod ecos ecot ecrc ecrr ecsc ecse ecss ect- ectc ecto ects eddc edde eddo edds ede- eder edes edoc edod edos edss edts eecs eede eeee eees eeke eeks eeoc eerc eero eers eese eesk eetc eete eets ekco eked ekek eker ekes eket ekos eocd eode eoes eore eost eotc eotd eoto eots ercc erce erde erds erec ered erer eres eret erke erks eroc erod eroe eroo eros errc erre erro errs erse erso erst erts esce esco escr escs esds esee esek eseo eser eses eset eske esko esks eso- esok esos esrd esse esso esst estc estd este esto estr ests etcc etco etcs etds etec etee eter etes etoe etok etos etre etro ette etto k-os kccc kccd kcck kccr kcct kcdc kcdd kcdr kcds kcec kced kcee kceo kcet kckc kckk kcko kckr kcoe kcor kcos kcot kcrc kcro kcrr kcrs kcrt kcsc kcsd kcse kcsr kcss kcst kctc kcte kcto kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdet kdkd kdkk kdko kdkr kdkt kdoc kdoe kdok kdot kdro kdrs kdsc kdsd kdsk