-er c-- ccc cce cch ccr ccs ccu ce- cec cee ceh cer ces ceu ch- chc che chh chr chs chu crc cre crh crr crs cru csc cse csh csr css csu cuc cue cuh cur cus cuu ec- ecc ece ech ecr ecs ecu eec eee eer ees ehc ehe ehh ehr ehs ehu erc ere erh err ers eru es- esc ese esh esr ess esu eu- euc eue eur eus hcc hce hch hcr hcs he- hec hee heh her hes heu hhc hhe hhh hhr hhs hhu hr- hrc hre hrh hrr hrs hru hsc hse hsh hsr hss hsu huc hue huh hur hus huu rcc rce rch rcr rcs rcu re- rec ree reh rer res reu rh- rhc rhe rhh rhr rhs rhu rrc rrh rrr rrs rru rsc rse rsh rsr rss rsu ruc rue ruh rur rus ruu scc sce sch scr scs scu se- sec see seh ser ses seu sh- shc she shh shr shs shu sr- src sre srh srr srs ss- ssc sse ssh ssr sss ssu suc sue suh sur sus suu ucc uce uch ucr ucs ucu uec uee ueh uer ues uhc uhe uhh uhr uhs uhu ur- urc ure urr urs uru usc use ush usr uss usu uuc uue uur uus uuu