-ic a-a a-c a-i a-t a-z aaa aac aae aag aai aan aat aaz ac- aca acc ace acg aci acn act acz aea aec aee aeg aei aen aet aez ag- aga agc age agg agi agn agt agz ai- aia aic aie aig aii ain ait aiz an- ana anc ane ang ani ann ant anz at- ata atc ate atg ati atn att atz az- aza aze azg azi azn azt azz c-- caa cac cae cag cai can cat caz cca ccc cce ccg cci ccn cct ccz ce- cea cec cee ceg cei cen cet cez cga cgc cge cgg cgi cgn cgt ci- cia cic cie cig cii cin cit cn- cna cnc cne cng cni cnn cnt cta ctc cte ctg cti ctn ctt ctz cz- czc cze czt eaa eac eae eag eai ean eat eaz ec- eca ecc ece ecg eci ecn ect eea eec eee eeg een eet ega egc ege egg egi egn egt eia eic eie eig eii ein eit en- ena enc ene eng eni enn ent enz eta etc ete etg eti etn ett etz eze ezz gaa gac gae gag gai gan gat gaz gca gcc gce gcg gci gcn gct ge- gea gec gee geg gei gen get gez gga ggc ggg ggi ggn ggt ggz gia gic gie gig gii gin git giz gna gnc gne gni gnn gnt gta gtc gte gtg gti gtn gtt gza ia- iaa iac iae iag iai ian iat iaz ica icc ice icg ici icn ict icz ie- iea iec iee ieg iei ien iet iga igc ige igg igi ign igt iia iic iie iii iin iit in- ina inc ine ing ini inn int ita itc ite itg iti itn itt itz iza ize izi izz n-i naa nac nae nag nai nan nat naz nca ncc nce ncg nci ncn nct ne- nea nec nee neg nei nen net nez nga ngc nge ngg ngi ngn ngt nia nic nie nig nii nin nit niz nna nnc nne nng nni nnn nnt nnz nta ntc nte ntg nti ntn ntt ntz nze nzg nzi nzz taa tac tae tag tai tan tat taz tca tcc tce tcg tci tcn tct te- tea tec tee teg tei ten tet tez tga tgc tge tgg tgi tgn tgt tgz tia tic tie tig tii tin tit tiz tna tnc tne tng tni tnn tnt tnz tta ttc tte ttg tti ttn ttt tza tze z-g zaa zac zag zai zan zat zaz zce zea zec zee zen zet zez zgg zgi zia zie zig zin zit ziz znc zne znn zta zte zzt zzz