-ic a-a a-c a-i aaa aac aad aai aan aap aar aas ac- aca acc acd aci acn acp acr acs ad- ada adc add adi adn adp adr ads ai- aia aic aid aii ain aip air ais an- ana anc and ani ann anp anr ans ap- apa apc apd api apn app apr aps ar- ara arc ard ari arn arp arr ars as- asa asc asd asi asn asp asr ass c-- caa cac cad cai can cap car cas cca ccc ccd cci ccn ccp ccr ccs cda cdc cdd cdi cdn cdp cdr cds ci- cia cic cid cii cin cip cir cis cn- cna cnc cnd cni cnn cnp cnr cns cpa cpc cpd cpi cpn cpp cpr cps cra crc crd cri crn crp crr crs csa csc csd csi csn csp csr css daa dac dad dai dan dap dar das dca dcc dcd dci dcn dcp dcr dcs dda ddc ddd ddi ddn ddp ddr dds di- dia dic did dii din dip dir dis dna dnc dnd dni dnn dnp dnr dns dpa dpc dpd dpi dpn dpp dpr dps dra drc drd dri drn drp drr drs dsa dsc dsd dsi dsn dsp dsr dss i-d ia- iaa iac iad iai ian iap iar ias ica icc icd ici icn icp icr ics ida idc idd idi idn idp idr ids iia iic iid iii iin iip iir iis in- ina inc ind ini inn inp inr ins ipa ipc ipd ipi ipn ipp ipr ips ir- ira irc ird iri irn irp irr irs is- isa isc isd isi isn isp isr iss n-i naa nac nad nai nan nap nar nas nca ncc ncd nci ncn ncp ncr ncs nda ndc ndd ndi ndn ndp ndr nds nia nic nid nii nin nip nir nis nna nnc nni nnn nnp nns npa npc npd npi npn npp npr nps nra nrc nrd nri nrn nrp nrr nrs nsa nsc nsd nsi nsn nsp nsr nss p-p paa pac pad pai pan pap par pas pca pcc pcd pci pcn pcp pcr pcs pda pdc pdd pdi pdn pdp pdr pds pia pic pid pii pin pip pir pis pn- pna pnc pnd pni pnn pnp pnr pns ppa ppc ppd ppi ppn ppp ppr pps pra prc prd pri prn prp prr prs ps- psa psc psd psi psn psp psr pss ra- raa rac rad rai ran rap rar ras rca rcc rcd rci rcn rcp rcr rcs rda rdc rdd rdi rdn rdp rdr rds ria ric rid rii rin rip rir ris rna rnc rnd rni rnn rnp rnr rns rpa rpc rpd rpi rpn rpp rpr rps rra rrc rrd rri rrn rrp rrr rrs rsa rsc rsd rsi rsn rsp rsr rss saa sac sad sai san sap sar sas sca scc scd sci scn scp scr scs sda sdc sdd sdi sdn sdp sdr sds sia sic sid sii sin sip sir sis sna snc snd sni snn snp snr sns spa spc spd spi spn spp spr sps sr- sra src srd sri srn srp srr srs ss- ssa ssc ssd ssi ssn ssp ssr sss