-er -ic c-- ccc cce cch cci cck ccn ccr ccs ce- cec cee ceh cei cek cen cer ces ch- chc che chh chi chk chn chr chs ci- cic cie cih cii cik cin cir cis ckc ckh cki cks cn- cnc cne cnh cni cnn cnr cns crc cre crh cri crk crn crr crs csc cse csh csi csk csn csr css ec- ecc ece ech eci eck ecn ecr ecs eec eee eek een eer ees ehc ehe ehh ehi ehn ehr ehs eic eie eii eik ein eir eis ekc eke ekh eki ekr eks en- enc ene enh eni enk enn enr ens erc ere erh eri erk ern err ers es- esc ese esh esi esk esn esr ess h-i hcc hce hch hci hck hcn hcr hcs he- hec hee heh hei hek hen her hes hhc hhe hhh hhi hhk hhn hhr hhs hic hie hih hii hik hin hir his hkh hki hkk hkn hkr hks hnc hne hnh hnk hnn hns hr- hrc hre hrh hri hrk hrn hrr hrs hsc hse hsh hsi hsk hsn hsr hss icc ice ich ici ick icn icr ics ie- iec iee iei iek ien ier ies ihc ihe ihh ihi ihk ihn ihr ihs iic iie iih iii iin iir iis ikc ike iki ikk ikr iks in- inc ine inh ini ink inn inr ins ir- irc ire iri irk irn irr irs is- isc ise ish isi isk isn isr iss kcc kce kch kci kck kcn kcr kcs ke- kec kee keh kei kek ken ker kes khe khh khi khk khn khr khs kic kie kih kii kik kin kir kis kkc kke kkh kki kkk kkn kkr kks kn- knc kne kni knk knn knr krc kri krk krn krr krs ksc kse ksh ksi ksk ksn ksr kss n-i ncc nce nch nci nck ncn ncr ncs ne- nec nee neh nei nek nen ner nes nhc nhe nhh nhi nhk nhn nhr nhs nic nie nih nii nik nin nir nis nkc nke nki nkk nkn nkr nks nnc nne nnh nni nnk nnn nns nrc nre nri nrk nrn nrr nrs nsc nse nsh nsi nsk nsn nsr nss rcc rce rch rci rcn rcr rcs re- rec ree reh rei rek ren rer res rh- rhc rhe rhh rhi rhn rhr rhs ric rie rih rii rik rin rir ris rkc rke rkk rks rnc rnh rni rnn rnr rns rrc rrh rri rrk rrn rrr rrs rsc rse rsh rsi rsk rsn rsr rss scc sce sch sci sck scn scr scs se- sec see seh sei sek sen ser ses sh- shc she shh shi shk shn shr shs sic sie sih sii sik sin sir sis sk- skc ske skh ski skk skr sks snc sne sni snk snn snr sns sr- src sre srh sri srk srn srr srs ss- ssc sse ssh ssi ssk ssn ssr sss