-er c-- ccc cce cck ccr ccs cct ccw ce- cec cee cek cer ces cet cew ckc cks ckt ckw crc cre crk crr crs crt crw csc cse csk csr css cst csw ctc cte ctk ctr cts ctt ctw cw- cwc cwe cwk cwr cws cwt ec- ecc ece eck ecr ecs ect ecw eec eee eek eer ees eet eew ekc eke ekr eks ekt erc ere erk err ers ert erw es- esc ese esk esr ess est esw etc ete etk etr ets ett etw ewc ewe ewk ewr ews ewt eww k-t kcc kce kck kcr kcs kct ke- kec kee kek ker kes ket kew kkc kke kkk kkr kks kkt krc krk krr krs krt krw ksc kse ksk ksr kss kst ksw ktc kte ktk ktr kts ktt ktw kw- kwc kwk kws kwt kww rcc rce rcr rcs rct rcw re- rec ree rek rer res ret rew rkc rke rkk rks rkt rrc rrk rrr rrs rrt rsc rse rsk rsr rss rst rsw rtc rte rtk rtr rts rtt rtw rwc rwe rwr rws scc sce sck scr scs sct scw se- sec see sek ser ses set sew sk- skc ske skk skr sks skt skw sr- src sre srk srr srs srt srw ss- ssc sse ssk ssr sss sst ssw stc ste stk str sts stt stw swc swe swk swr sws swt tcc tce tck tcr tcs tct tcw te- tec tee tek ter tes tet tew tkc tke tkk tkr tks tkt tkw trc tre trk trr trs trt trw tsc tse tsk tsr tss tst tsw ttc tte ttk ttr tts ttt ttw twc twe twr tws twt tww wcc wce wck wcr wcs wct wcw wec wee wek wer wes wet wew wkc wke wkr wks wkt wkw wr- wrc wre wrk wrr wrs wrt wrw wsc wse wsk wsr wss wst wsw wtc wtr wts wtt wtw wwc wwe wwt www