-er -ic c-- ccc cce cch cci cck ccp ccr ccs ce- cec cee ceh cei cek cep cer ces ch- chc che chh chi chk chp chr chs ci- cic cie cih cii cik cip cir cis ckc ckh cki cks cpc cpe cph cpi cpk cpp cpr cps crc cre crh cri crk crp crr crs csc cse csh csi csk csp csr css ec- ecc ece ech eci eck ecr ecs eec eee eek eep eer ees ehc ehe ehh ehi ehp ehr ehs eic eie eii eik eip eir eis ekc eke ekh eki ekp ekr eks ep- epc epe eph epi epp epr eps erc ere erh eri erk erp err ers es- esc ese esh esi esk esp esr ess h-i hcc hce hch hci hck hcp hcr hcs he- hec hee heh hei hek hep her hes hhc hhe hhh hhi hhk hhp hhr hhs hic hie hih hii hik hip hir his hkh hki hkk hkp hkr hks hpc hpe hph hpi hpk hpp hpr hps hr- hrc hre hrh hri hrk hrp hrr hrs hsc hse hsh hsi hsk hsp hsr hss icc ice ich ici ick icp icr ics ie- iec iee iei iek iep ier ies ihc ihe ihh ihi ihk ihp ihr ihs iic iie iih iii iip iir iis ikc ike iki ikk ikr iks ipc ipe ipi ipp ipr ips ir- irc ire iri irk irp irr irs is- isc ise ish isi isk isp isr iss kcc kce kch kci kck kcp kcr kcs ke- kec kee keh kei kek kep ker kes khe khh khi khk khr khs kic kie kih kii kik kip kir kis kkc kke kkh kki kkk kkp kkr kks kpc kpe kph kpi kpk kpp kpr kps krc kri krk krp krr krs ksc kse ksh ksi ksk ksp ksr kss p-p pcc pce pch pci pck pcp pcr pcs pec pee peh pei pek pep per pes phc phe phi phk php phr phs pic pie pih pii pik pip pir pis pkc pke pki pkp pkr pks ppc ppe pph ppi ppk ppp ppr pps prc pre prh pri prk prp prr prs ps- psc pse psh psi psk psp psr pss rcc rce rch rci rcp rcr rcs re- rec ree reh rei rek rep rer res rh- rhc rhe rhh rhi rhp rhr rhs ric rie rih rii rik rip rir ris rkc rke rkk rkp rks rpc rpe rph rpi rpk rpp rpr rps rrc rrh rri rrk rrp rrr rrs rsc rse rsh rsi rsk rsp rsr rss scc sce sch sci sck scp scr scs se- sec see seh sei sek sep ser ses sh- shc she shh shi shk shp shr shs sic sie sih sii sik sip sir sis sk- skc ske skh ski skk skp skr sks spc spe sph spi spk spp spr sps sr- src sre srh sri srk srp srr srs ss- ssc sse ssh ssi ssk ssp ssr sss