-er -ic c-- ccc cce cch cci cck ccp ccr ce- cec cee ceh cei cek cep cer ch- chc che chh chi chk chp chr ci- cic cie cih cii cik cip cir ckc ckh cki cpc cpe cph cpi cpk cpp cpr crc cre crh cri crk crp crr ec- ecc ece ech eci eck ecr eec eee eek eep eer ehc ehe ehh ehi ehp ehr eic eie eii eik eip eir ekc eke ekh eki ekp ekr ep- epc epe eph epi epp epr erc ere erh eri erk erp err h-i hcc hce hch hci hck hcp hcr he- hec hee heh hei hek hep her hhc hhe hhh hhi hhk hhp hhr hic hie hih hii hik hip hir hkh hki hkk hkp hkr hpc hpe hph hpi hpk hpp hpr hr- hrc hre hrh hri hrk hrp hrr icc ice ich ici ick icp icr ie- iec iee iei iek iep ier ihc ihe ihh ihi ihk ihp ihr iic iie iih iii iip iir ikc ike iki ikk ikr ipc ipe ipi ipp ipr ir- irc ire iri irk irp irr kcc kce kch kci kck kcp kcr ke- kec kee keh kei kek kep ker khe khh khi khk khr kic kie kih kii kik kip kir kkc kke kkh kki kkk kkp kkr kpc kpe kph kpi kpk kpp kpr krc kri krk krp krr p-p pcc pce pch pci pck pcp pcr pec pee peh pei pek pep per phc phe phi phk php phr pic pie pih pii pik pip pir pkc pke pki pkp pkr ppc ppe pph ppi ppk ppp ppr prc pre prh pri prk prp prr rcc rce rch rci rcp rcr re- rec ree reh rei rek rep rer rh- rhc rhe rhh rhi rhp rhr ric rie rih rii rik rip rir rkc rke rkk rkp rpc rpe rph rpi rpk rpp rpr rrc rrh rri rrk rrp rrr