-ic a-a a-c a-i aaa aac aad aag aai aar ac- aca acc acd acg aci acr ad- ada adc add adg adi adr ag- aga agc agd agg agi agr ai- aia aic aid aig aii air ar- ara arc ard arg ari arr c-- caa cac cad cag cai car cca ccc ccd ccg cci ccr cda cdc cdd cdg cdi cdr cga cgc cgd cgg cgi cgr ci- cia cic cid cig cii cir cra crc crd crg cri crr daa dac dad dag dai dar dca dcc dcd dcg dci dcr dda ddc ddd ddg ddi ddr dga dgc dgd dgg dgi dgr di- dia dic did dig dii dir dra drc drd drg dri drr g-d gaa gac gad gag gai gar gca gcc gcd gcg gci gcr gda gdc gdd gdi gdr gga ggc ggd ggg ggi ggr gia gic gid gig gii gir gra grc grd grg gri grr i-d ia- iaa iac iad iag iai iar ica icc icd icg ici icr ida idc idd idg idi idr iga igc igd igg igi igr iia iic iid iii iir ir- ira irc ird irg iri irr ra- raa rac rad rag rai rar rca rcc rcd rcg rci rcr rda rdc rdd rdg rdi rdr rga rgc rgd rgg rgi rgr ria ric rid rig rii rir rra rrc rrd rrg rri rrr