-ic a-a a-c a-i a-t a-z aaa aac aag aai aan aar aat aaz ac- aca acc acg aci acn acr act acz ag- aga agc agg agi agn agr agt agz ai- aia aic aig aii ain air ait aiz an- ana anc ang ani ann anr ant anz ar- ara arc arg ari arn arr art arz at- ata atc atg ati atn atr att atz az- aza azg azi azn azt azz c-- caa cac cag cai can car cat caz cca ccc ccg cci ccn ccr cct ccz cga cgc cgg cgi cgn cgr cgt ci- cia cic cig cii cin cir cit cn- cna cnc cng cni cnn cnr cnt cra crc crg cri crn crr crt crz cta ctc ctg cti ctn ctr ctt ctz cz- czc czt gaa gac gag gai gan gar gat gaz gca gcc gcg gci gcn gcr gct gga ggc ggg ggi ggn ggr ggt ggz gia gic gig gii gin gir git giz gna gnc gni gnn gnr gnt gra grc grg gri grn grr grt gta gtc gtg gti gtn gtr gtt gza gzr ia- iaa iac iag iai ian iar iat iaz ica icc icg ici icn icr ict icz iga igc igg igi ign igr igt iia iic iii iin iir iit in- ina inc ing ini inn inr int ir- ira irc irg iri irn irr irt ita itc itg iti itn itt itz iza izi izz n-i naa nac nag nai nan nar nat naz nca ncc ncg nci ncn ncr nct nga ngc ngg ngi ngn ngt nia nic nig nii nin nir nit niz nna nnc nng nni nnn nnt nnz nra nrc nrg nri nrn nrr nrt nrz nta ntc ntg nti ntn ntr ntt ntz nzg nzi nzz ra- raa rac rag rai ran rar rat raz rca rcc rcg rci rcn rcr rct rga rgc rgg rgi rgn rgr rgt ria ric rig rii rin rir rit riz rna rnc rng rni rnn rnr rnt rnz rra rrc rrg rri rrn rrr rrt rta rtc rtg rti rtn rtr rtt rtz rza taa tac tag tai tan tar tat taz tca tcc tcg tci tcn tcr tct tga tgc tgg tgi tgn tgr tgt tgz tia tic tig tii tin tir tit tiz tna tnc tng tni tnn tnr tnt tnz tra trc trg tri trn trr trt trz tta ttc ttg tti ttn ttr ttt tza z-g zaa zac zag zai zan zar zat zaz zgg zgi zia zig zin zir zit ziz znc znn zta ztr zzr zzt zzz