-er c-- ccc ccd cce cck ccr ccs ccw cdc cdd cde cdk cdr cds cdw ce- cec ced cee cek cer ces cew ckc ckd cks ckw crc crd cre crk crr crs crw csc csd cse csk csr css csw cw- cwc cwd cwe cwk cwr cws dcc dcd dce dck dcr dcs dcw ddc ddd dde ddk ddr dds ddw de- dec ded dee dek der des dew dkc dke dkk dkr dks dkw drc drd dre drk drr drs drw dsc dsd dse dsk dsr dss dsw dwc dwe dwr dws dww ec- ecc ecd ece eck ecr ecs ecw ed- edc edd ede edk edr eds edw eec eed eee eek eer ees eew ekc ekd eke ekr eks erc erd ere erk err ers erw es- esc esd ese esk esr ess esw ewc ewd ewe ewk ewr ews eww kcc kcd kce kck kcr kcs kdc kde kdk kdr kds ke- kec ked kee kek ker kes kew kkc kke kkk kkr kks krc krd krk krr krs krw ksc ksd kse ksk ksr kss ksw kw- kwc kwd kwk kws kww rcc rcd rce rcr rcs rcw rdc rdd rde rdr rds re- rec red ree rek rer res rew rkc rke rkk rks rrc rrd rrk rrr rrs rsc rsd rse rsk rsr rss rsw rwc rwd rwe rwr rws scc scd sce sck scr scs scw sdc sdd sde sdk sdr sds sdw se- sec sed see sek ser ses sew sk- skc skd ske skk skr sks skw sr- src srd sre srk srr srs srw ss- ssc ssd sse ssk ssr sss ssw swc swd swe swk swr sws wcc wcd wce wck wcr wcs wcw wdc wdr wds wec wed wee wek wer wes wew wkc wkd wke wkr wks wkw wr- wrc wrd wre wrk wrr wrs wrw wsc wsd wse wsk wsr wss wsw wwc wwd wwe www