-ic a-a a-c a-i aaa aac aad aag aai aar aas ac- aca acc acd acg aci acr acs ad- ada adc add adg adi adr ads ag- aga agc agd agg agi agr ags ai- aia aic aid aig aii air ais ar- ara arc ard arg ari arr ars as- asa asc asd asg asi asr ass c-- caa cac cad cag cai car cas cca ccc ccd ccg cci ccr ccs cda cdc cdd cdg cdi cdr cds cga cgc cgd cgg cgi cgr cgs ci- cia cic cid cig cii cir cis cra crc crd crg cri crr crs csa csc csd csg csi csr css daa dac dad dag dai dar das dca dcc dcd dcg dci dcr dcs dda ddc ddd ddg ddi ddr dds dga dgc dgd dgg dgi dgr dgs di- dia dic did dig dii dir dis dra drc drd drg dri drr drs dsa dsc dsd dsg dsi dsr dss g-d gaa gac gad gag gai gar gas gca gcc gcd gcg gci gcr gcs gda gdc gdd gdi gdr gds gga ggc ggd ggg ggi ggr ggs gia gic gid gig gii gir gis gra grc grd grg gri grr grs gsa gsc gsd gsg gsi gsr gss i-d ia- iaa iac iad iag iai iar ias ica icc icd icg ici icr ics ida idc idd idg idi idr ids iga igc igd igg igi igr igs iia iic iid iii iir iis ir- ira irc ird irg iri irr irs is- isa isc isd isg isi isr iss ra- raa rac rad rag rai rar ras rca rcc rcd rcg rci rcr rcs rda rdc rdd rdg rdi rdr rds rga rgc rgd rgg rgi rgr rgs ria ric rid rig rii rir ris rra rrc rrd rrg rri rrr rrs rsa rsc rsd rsg rsi rsr rss saa sac sad sag sai sar sas sca scc scd scg sci scr scs sda sdc sdd sdg sdi sdr sds sga sgc sgd sgg sgi sgr sgs sia sic sid sig sii sir sis sr- sra src srd srg sri srr srs ss- ssa ssc ssd ssg ssi ssr sss