-er c-- ccc cce cch ccl ccp ccr ccs ce- cec cee ceh cel cep cer ces ch- chc che chh chl chp chr chs cl- clc cle clh cll clp clr cls cpc cpe cph cpl cpp cpr cps crc cre crh crl crp crr crs csc cse csh csl csp csr css ec- ecc ece ech ecl ecr ecs eec eee eel eep eer ees ehc ehe ehh ehl ehp ehr ehs elc ele elh ell elp elr els ep- epc epe eph epl epp epr eps erc ere erh erl erp err ers es- esc ese esh esl esp esr ess hcc hce hch hcl hcp hcr hcs he- hec hee heh hel hep her hes hhc hhe hhh hhl hhp hhr hhs hlc hle hlh hll hlp hlr hls hpc hpe hph hpl hpp hpr hps hr- hrc hre hrh hrl hrp hrr hrs hsc hse hsh hsl hsp hsr hss l-p lcc lce lch lcl lcp lcr lcs lec lee leh lel lep ler les lhc lhh lhp lhr lhs llc lle lll llp llr lls lpc lpe lph lpl lpp lpr lps lrc lrh lrp lrr lrs lsc lse lsh lsl lsp lsr lss p-p pcc pce pch pcl pcp pcr pcs pec pee peh pel pep per pes phc phe phl php phr phs plc ple plh pll plp plr pls ppc ppe pph ppl ppp ppr pps prc pre prh prl prp prr prs ps- psc pse psh psl psp psr pss rcc rce rch rcl rcp rcr rcs re- rec ree reh rel rep rer res rh- rhc rhe rhh rhl rhp rhr rhs rlc rle rlh rll rlp rlr rls rpc rpe rph rpl rpp rpr rps rrc rrh rrl rrp rrr rrs rsc rse rsh rsl rsp rsr rss scc sce sch scl scp scr scs se- sec see seh sel sep ser ses sh- shc she shh shl shp shr shs slc sle slh sll slp slr sls spc spe sph spl spp spr sps sr- src sre srh srl srp srr srs ss- ssc sse ssh ssl ssp ssr sss