-er -ic a-a a-c a-i aaa aac aae aai aak aan aar aas ac- aca acc ace aci ack acn acr acs aea aec aee aei aek aen aer aes ai- aia aic aie aii aik ain air ais aka akc ake aki akk akn akr aks an- ana anc ane ani ank ann anr ans ar- ara arc are ari ark arn arr ars as- asa asc ase asi ask asn asr ass c-- caa cac cae cai cak can car cas cca ccc cce cci cck ccn ccr ccs ce- cea cec cee cei cek cen cer ces ci- cia cic cie cii cik cin cir cis cka ckc cki cks cn- cna cnc cne cni cnn cnr cns cra crc cre cri crk crn crr crs csa csc cse csi csk csn csr css eaa eac eae eai eak ean ear eas ec- eca ecc ece eci eck ecn ecr ecs eea eec eee eek een eer ees eia eic eie eii eik ein eir eis eka ekc eke eki ekr eks en- ena enc ene eni enk enn enr ens era erc ere eri erk ern err ers es- esa esc ese esi esk esn esr ess ia- iaa iac iae iai ian iar ias ica icc ice ici ick icn icr ics ie- iea iec iee iei iek ien ier ies iia iic iie iii iin iir iis ika ikc ike iki ikk ikr iks in- ina inc ine ini ink inn inr ins ir- ira irc ire iri irk irn irr irs is- isa isc ise isi isk isn isr iss ka- kaa kac kae kai kak kan kar kas kca kcc kce kci kck kcn kcr kcs ke- kea kec kee kei kek ken ker kes kia kic kie kii kik kin kir kis kkc kke kki kkk kkn kkr kks kn- kna knc kne kni knk knn knr kra krc kri krk krn krr krs ksa ksc kse ksi ksk ksn ksr kss n-i naa nac nae nai nak nan nar nas nca ncc nce nci nck ncn ncr ncs ne- nea nec nee nei nek nen ner nes nia nic nie nii nik nin nir nis nka nkc nke nki nkk nkn nkr nks nna nnc nne nni nnk nnn nns nra nrc nre nri nrk nrn nrr nrs nsa nsc nse nsi nsk nsn nsr nss ra- raa rac rae rai rak ran rar ras rca rcc rce rci rcn rcr rcs re- rea rec ree rei rek ren rer res ria ric rie rii rik rin rir ris rkc rke rkk rks rna rnc rni rnn rnr rns rra rrc rri rrk rrn rrr rrs rsa rsc rse rsi rsk rsn rsr rss saa sac sae sai sak san sar sas sca scc sce sci sck scn scr scs se- sea sec see sei sek sen ser ses sia sic sie sii sik sin sir sis sk- ska skc ske ski skk skr sks sna snc sne sni snk snn snr sns sr- sra src sre sri srk srn srr srs ss- ssa ssc sse ssi ssk ssn ssr sss