-er c-- ccc cce cch cck ccr ccs ccu ce- cec cee ceh cek cer ces ceu ch- chc che chh chk chr chs chu ckc ckh cks crc cre crh crk crr crs cru csc cse csh csk csr css csu cuc cue cuh cuk cur cus cuu ec- ecc ece ech eck ecr ecs ecu eec eee eek eer ees ehc ehe ehh ehr ehs ehu ekc eke ekh ekr eks eku erc ere erh erk err ers eru es- esc ese esh esk esr ess esu eu- euc eue eur eus hcc hce hch hck hcr hcs he- hec hee heh hek her hes heu hhc hhe hhh hhk hhr hhs hhu hkh hkk hkr hks hku hr- hrc hre hrh hrk hrr hrs hru hsc hse hsh hsk hsr hss hsu huc hue huh huk hur hus huu kcc kce kch kck kcr kcs kcu ke- kec kee keh kek ker kes khe khh khk khr khs khu kkc kke kkh kkk kkr kks kku krc krk krr krs kru ksc kse ksh ksk ksr kss ksu kuc kue kuh kuk kur kus kuu rcc rce rch rcr rcs rcu re- rec ree reh rek rer res reu rh- rhc rhe rhh rhr rhs rhu rkc rke rkk rks rku rrc rrh rrk rrr rrs rru rsc rse rsh rsk rsr rss rsu ruc rue ruh ruk rur rus ruu scc sce sch sck scr scs scu se- sec see seh sek ser ses seu sh- shc she shh shk shr shs shu sk- skc ske skh skk skr sks sku sr- src sre srh srk srr srs ss- ssc sse ssh ssk ssr sss ssu suc sue suh suk sur sus suu ucc uce uch uck ucr ucs ucu uec uee ueh uer ues uhc uhe uhh uhr uhs uhu ukc uke ukk ukr uku ur- urc ure urk urr urs uru usc use ush usk usr uss usu uuc uue uur uus uuu