-ic a-a a-c a-i aaa aac aad aai aan aar aas ac- aca acc acd aci acn acr acs ad- ada adc add adi adn adr ads ai- aia aic aid aii ain air ais an- ana anc and ani ann anr ans ar- ara arc ard ari arn arr ars as- asa asc asd asi asn asr ass c-- caa cac cad cai can car cas cca ccc ccd cci ccn ccr ccs cda cdc cdd cdi cdn cdr cds ci- cia cic cid cii cin cir cis cn- cna cnc cnd cni cnn cnr cns cra crc crd cri crn crr crs csa csc csd csi csn csr css daa dac dad dai dan dar das dca dcc dcd dci dcn dcr dcs dda ddc ddd ddi ddn ddr dds di- dia dic did dii din dir dis dna dnc dnd dni dnn dnr dns dra drc drd dri drn drr drs dsa dsc dsd dsi dsn dsr dss i-d ia- iaa iac iad iai ian iar ias ica icc icd ici icn icr ics ida idc idd idi idn idr ids iia iic iid iii iin iir iis in- ina inc ind ini inn inr ins ir- ira irc ird iri irn irr irs is- isa isc isd isi isn isr iss n-i naa nac nad nai nan nar nas nca ncc ncd nci ncn ncr ncs nda ndc ndd ndi ndn ndr nds nia nic nid nii nin nir nis nna nnc nni nnn nns nra nrc nrd nri nrn nrr nrs nsa nsc nsd nsi nsn nsr nss ra- raa rac rad rai ran rar ras rca rcc rcd rci rcn rcr rcs rda rdc rdd rdi rdn rdr rds ria ric rid rii rin rir ris rna rnc rnd rni rnn rnr rns rra rrc rrd rri rrn rrr rrs rsa rsc rsd rsi rsn rsr rss saa sac sad sai san sar sas sca scc scd sci scn scr scs sda sdc sdd sdi sdn sdr sds sia sic sid sii sin sir sis sna snc snd sni snn snr sns sr- sra src srd sri srn srr srs ss- ssa ssc ssd ssi ssn ssr sss