-er c-- ccc cce cch ccr ccs ccu ccx ce- cec cee ceh ceq cer ces ceu cex ch- chc che chh chq chr chs chu chx cqc cqs crc cre crh crq crr crs cru crx csc cse csh csq csr css csu csx cuc cue cuh cuq cur cus cuu cxc cxh cxr cxs cxx ec- ecc ece ech ecq ecr ecs ecu ecx eec eee eer ees eex ehc ehe ehh ehr ehs ehu eqe eqq eqs equ erc ere erh erq err ers eru es- esc ese esh esq esr ess esu esx eu- euc eue eur eus eux ex- exc exe exh exr exs exu exx hcc hce hch hcr hcs he- hec hee heh her hes heu hex hhc hhe hhh hhr hhs hhu hqs hqx hr- hrc hre hrh hrr hrs hru hsc hse hsh hsq hsr hss hsu hsx huc hue huh huq hur hus huu hux hxc qcc qcs qec qee qeh qex qhc qhs qqq qqu qrc qre qrh qrs qru qsc qsr qu- que quh qur qus qux qxe rcc rce rch rcr rcs rcu rcx re- rec ree reh req rer res reu rex rh- rhc rhe rhh rhr rhs rhu rqc rqs rrc rrh rrq rrr rrs rru rsc rse rsh rsq rsr rss rsu rsx ruc rue ruh rur rus ruu rux rxr rxs scc sce sch scr scs scu scx se- sec see seh seq ser ses seu sex sh- shc she shh shr shs shu sqq sqr sqs sqx sr- src sre srh srq srr srs srx ss- ssc sse ssh ssq ssr sss ssu ssx suc sue suh suq sur sus suu sux sxc sxs sxu ucc uce uch ucr ucs ucu uec uee ueh uer ues uhc uhe uhh uhq uhr uhs uhu ur- urc ure urr urs uru urx usc use ush usr uss usu usx uuc uue uur uus uuu uxc uxr uxu xch xcr xcx xee xeq xer xes xeu xex xrc xrx xsc xss xue xus xxx