-ic a-a a-c a-i aaa aac aai aak aan aar aas ac- aca acc aci ack acn acr acs ai- aia aic aii aik ain air ais aka akc aki akk akn akr aks an- ana anc ani ank ann anr ans ar- ara arc ari ark arn arr ars as- asa asc asi ask asn asr ass c-- caa cac cai cak can car cas cca ccc cci cck ccn ccr ccs ci- cia cic cii cik cin cir cis cka ckc cki cks cn- cna cnc cni cnn cnr cns cra crc cri crk crn crr crs csa csc csi csk csn csr css ia- iaa iac iai ian iar ias ica icc ici ick icn icr ics iia iic iii iin iir iis ika ikc iki ikk ikr iks in- ina inc ini ink inn inr ins ir- ira irc iri irk irn irr irs is- isa isc isi isk isn isr iss ka- kaa kac kai kak kan kar kas kca kcc kci kck kcn kcr kcs kia kic kii kik kin kir kis kkc kki kkk kkn kkr kks kn- kna knc kni knk knn knr kra krc kri krk krn krr krs ksa ksc ksi ksk ksn ksr kss n-i naa nac nai nak nan nar nas nca ncc nci nck ncn ncr ncs nia nic nii nik nin nir nis nka nkc nki nkk nkn nkr nks nna nnc nni nnk nnn nns nra nrc nri nrk nrn nrr nrs nsa nsc nsi nsk nsn nsr nss ra- raa rac rai rak ran rar ras rca rcc rci rcn rcr rcs ria ric rii rik rin rir ris rkc rkk rks rna rnc rni rnn rnr rns rra rrc rri rrk rrn rrr rrs rsa rsc rsi rsk rsn rsr rss saa sac sai sak san sar sas sca scc sci sck scn scr scs sia sic sii sik sin sir sis sk- ska skc ski skk skr sks sna snc sni snk snn snr sns sr- sra src sri srk srn srr srs ss- ssa ssc ssi ssk ssn ssr sss