-er c-- ccc cce cch cck ccl ccp ccr ccs ce- cec cee ceh cek cel cep cer ces ch- chc che chh chk chl chp chr chs ckc ckh cks cl- clc cle clh clk cll clp clr cls cpc cpe cph cpk cpl cpp cpr cps crc cre crh crk crl crp crr crs csc cse csh csk csl csp csr css ec- ecc ece ech eck ecl ecr ecs eec eee eek eel eep eer ees ehc ehe ehh ehl ehp ehr ehs ekc eke ekh ekl ekp ekr eks elc ele elh elk ell elp elr els ep- epc epe eph epl epp epr eps erc ere erh erk erl erp err ers es- esc ese esh esk esl esp esr ess hcc hce hch hck hcl hcp hcr hcs he- hec hee heh hek hel hep her hes hhc hhe hhh hhk hhl hhp hhr hhs hkh hkk hkl hkp hkr hks hlc hle hlh hll hlp hlr hls hpc hpe hph hpk hpl hpp hpr hps hr- hrc hre hrh hrk hrl hrp hrr hrs hsc hse hsh hsk hsl hsp hsr hss kcc kce kch kck kcl kcp kcr kcs ke- kec kee keh kek kel kep ker kes khe khh khk khr khs kkc kke kkh kkk kkl kkp kkr kks kl- klc klh klr kls kpc kpe kph kpk kpl kpp kpr kps krc krk krl krp krr krs ksc kse ksh ksk ksl ksp ksr kss l-p lcc lce lch lck lcl lcp lcr lcs lec lee leh lek lel lep ler les lhc lhh lhk lhp lhr lhs lkh lkl lkp lkr lks llc lle llk lll llp llr lls lpc lpe lph lpk lpl lpp lpr lps lrc lrh lrk lrp lrr lrs lsc lse lsh lsk lsl lsp lsr lss p-p pcc pce pch pck pcl pcp pcr pcs pec pee peh pek pel pep per pes phc phe phk phl php phr phs pkc pke pkl pkp pkr pks plc ple plh plk pll plp plr pls ppc ppe pph ppk ppl ppp ppr pps prc pre prh prk prl prp prr prs ps- psc pse psh psk psl psp psr pss rcc rce rch rcl rcp rcr rcs re- rec ree reh rek rel rep rer res rh- rhc rhe rhh rhl rhp rhr rhs rkc rke rkk rkp rks rlc rle rlh rll rlp rlr rls rpc rpe rph rpk rpl rpp rpr rps rrc rrh rrk rrl rrp rrr rrs rsc rse rsh rsk rsl rsp rsr rss scc sce sch sck scl scp scr scs se- sec see seh sek sel sep ser ses sh- shc she shh shk shl shp shr shs sk- skc ske skh skk skl skp skr sks slc sle slh slk sll slp slr sls spc spe sph spk spl spp spr sps sr- src sre srh srk srl srp srr srs ss- ssc sse ssh ssk ssl ssp ssr sss