-er c-- ccc cce cch cck ccn ccr ccs ce- cec cee ceh cek cen cer ces ch- chc che chh chk chn chr chs ckc ckh cks cn- cnc cne cnh cnn cnr cns crc cre crh crk crn crr crs csc cse csh csk csn csr css ec- ecc ece ech eck ecn ecr ecs eec eee eek een eer ees ehc ehe ehh ehn ehr ehs ekc eke ekh ekr eks en- enc ene enh enk enn enr ens erc ere erh erk ern err ers es- esc ese esh esk esn esr ess hcc hce hch hck hcn hcr hcs he- hec hee heh hek hen her hes hhc hhe hhh hhk hhn hhr hhs hkh hkk hkn hkr hks hnc hne hnh hnk hnn hns hr- hrc hre hrh hrk hrn hrr hrs hsc hse hsh hsk hsn hsr hss kcc kce kch kck kcn kcr kcs ke- kec kee keh kek ken ker kes khe khh khk khn khr khs kkc kke kkh kkk kkn kkr kks kn- knc kne knk knn knr krc krk krn krr krs ksc kse ksh ksk ksn ksr kss ncc nce nch nck ncn ncr ncs ne- nec nee neh nek nen ner nes nhc nhe nhh nhk nhn nhr nhs nkc nke nkk nkn nkr nks nnc nne nnh nnk nnn nns nrc nre nrk nrn nrr nrs nsc nse nsh nsk nsn nsr nss rcc rce rch rcn rcr rcs re- rec ree reh rek ren rer res rh- rhc rhe rhh rhn rhr rhs rkc rke rkk rks rnc rnh rnn rnr rns rrc rrh rrk rrn rrr rrs rsc rse rsh rsk rsn rsr rss scc sce sch sck scn scr scs se- sec see seh sek sen ser ses sh- shc she shh shk shn shr shs sk- skc ske skh skk skr sks snc sne snk snn snr sns sr- src sre srh srk srn srr srs ss- ssc sse ssh ssk ssn ssr sss