-ic a-a a-c a-i a-z aaa aac aag aai aan aar aaz ac- aca acc acg aci acn acr acz ag- aga agc agg agi agn agr agz ai- aia aic aig aii ain air aiz an- ana anc ang ani ann anr anz ar- ara arc arg ari arn arr arz az- aza azg azi azn azz c-- caa cac cag cai can car caz cca ccc ccg cci ccn ccr ccz cga cgc cgg cgi cgn cgr ci- cia cic cig cii cin cir cn- cna cnc cng cni cnn cnr cra crc crg cri crn crr crz cz- czc gaa gac gag gai gan gar gaz gca gcc gcg gci gcn gcr gga ggc ggg ggi ggn ggr ggz gia gic gig gii gin gir giz gna gnc gni gnn gnr gra grc grg gri grn grr gza gzr ia- iaa iac iag iai ian iar iaz ica icc icg ici icn icr icz iga igc igg igi ign igr iia iic iii iin iir in- ina inc ing ini inn inr ir- ira irc irg iri irn irr iza izi izz n-i naa nac nag nai nan nar naz nca ncc ncg nci ncn ncr nga ngc ngg ngi ngn nia nic nig nii nin nir niz nna nnc nng nni nnn nnz nra nrc nrg nri nrn nrr nrz nzg nzi nzz ra- raa rac rag rai ran rar raz rca rcc rcg rci rcn rcr rga rgc rgg rgi rgn rgr ria ric rig rii rin rir riz rna rnc rng rni rnn rnr rnz rra rrc rrg rri rrn rrr rza z-g zaa zac zag zai zan zar zaz zgg zgi zia zig zin zir ziz znc znn zzr zzz