-er c-- ccc cce ccr ccs cct ccu ccw ce- cec cee cer ces cet ceu cew crc cre crr crs crt cru crw csc cse csr css cst csu csw ctc cte ctr cts ctt ctu ctw cuc cue cur cus cut cuu cuw cw- cwc cwe cwr cws cwt cwu ec- ecc ece ecr ecs ect ecu ecw eec eee eer ees eet eew erc ere err ers ert eru erw es- esc ese esr ess est esu esw etc ete etr ets ett etu etw eu- euc eue eur eus eut ewc ewe ewr ews ewt ewu eww rcc rce rcr rcs rct rcu rcw re- rec ree rer res ret reu rew rrc rrr rrs rrt rru rsc rse rsr rss rst rsu rsw rtc rte rtr rts rtt rtu rtw ruc rue rur rus rut ruu rwc rwe rwr rws rwu scc sce scr scs sct scu scw se- sec see ser ses set seu sew sr- src sre srr srs srt srw ss- ssc sse ssr sss sst ssu ssw stc ste str sts stt stu stw suc sue sur sus sut suu suw swc swe swr sws swt swu tcc tce tcr tcs tct tcu tcw te- tec tee ter tes tet teu tew trc tre trr trs trt tru trw tsc tse tsr tss tst tsu tsw ttc tte ttr tts ttt ttu ttw tuc tue tur tus tut tuu twc twe twr tws twt twu tww ucc uce ucr ucs uct ucu ucw uec uee uer ues uet uew ur- urc ure urr urs urt uru urw usc use usr uss ust usu usw utc ute utr uts utt utu uuc uue uur uus uut uuu uwc uwe uwr uws uww wcc wce wcr wcs wct wcu wcw wec wee wer wes wet wew wr- wrc wre wrr wrs wrt wru wrw wsc wse wsr wss wst wsu wsw wtc wtr wts wtt wtu wtw wuc wue wur wus wut wwc wwe wwt wwu www