-ic a-a a-c a-i aaa aac aai aan aar aas ac- aca acc aci acn acr acs ai- aia aic aii ain air ais an- ana anc ani ann anr ans ar- ara arc ari arn arr ars as- asa asc asi asn asr ass c-- caa cac cai can car cas cca ccc cci ccn ccr ccs ci- cia cic cii cin cir cis cn- cna cnc cni cnn cnr cns cra crc cri crn crr crs csa csc csi csn csr css ia- iaa iac iai ian iar ias ica icc ici icn icr ics iia iic iii iin iir iis in- ina inc ini inn inr ins ir- ira irc iri irn irr irs is- isa isc isi isn isr iss n-i naa nac nai nan nar nas nca ncc nci ncn ncr ncs nia nic nii nin nir nis nna nnc nni nnn nns nra nrc nri nrn nrr nrs nsa nsc nsi nsn nsr nss ra- raa rac rai ran rar ras rca rcc rci rcn rcr rcs ria ric rii rin rir ris rna rnc rni rnn rnr rns rra rrc rri rrn rrr rrs rsa rsc rsi rsn rsr rss saa sac sai san sar sas sca scc sci scn scr scs sia sic sii sin sir sis sna snc sni snn snr sns sr- sra src sri srn srr srs ss- ssa ssc ssi ssn ssr sss