-ic a-a a-c a-i a-t a-z aaa aac aad aae aag aai aat aaz ac- aca acc acd ace acg aci act acz ad- ada adc add ade adg adi adt adz aea aec aed aee aeg aei aet aez ag- aga agc agd age agg agi agt agz ai- aia aic aid aie aig aii ait aiz at- ata atc atd ate atg ati att atz az- aza azd aze azg azi azt azz c-- caa cac cad cae cag cai cat caz cca ccc ccd cce ccg cci cct ccz cda cdc cdd cde cdg cdi cdt cdz ce- cea cec ced cee ceg cei cet cez cga cgc cgd cge cgg cgi cgt ci- cia cic cid cie cig cii cit cta ctc ctd cte ctg cti ctt ctz cz- czc czd cze czt daa dac dad dae dag dai dat daz dca dcc dcd dce dcg dci dct dda ddc ddd dde ddg ddi ddt ddz de- dea dec ded dee deg dei det dez dga dgc dgd dge dgg dgi dgt dgz di- dia dic did die dig dii dit diz dta dtc dtd dte dtg dti dtt dtz dza dzd dze dzi eaa eac ead eae eag eai eat eaz ec- eca ecc ecd ece ecg eci ect ed- eda edc edd ede edg edi edt eea eec eed eee eeg eet ega egc egd ege egg egi egt eia eic eid eie eig eii eit eta etc etd ete etg eti ett etz eze ezz g-d gaa gac gad gae gag gai gat gaz gca gcc gcd gce gcg gci gct gda gdc gdd gde gdi gdt ge- gea gec ged gee geg gei get gez gga ggc ggd ggg ggi ggt ggz gia gic gid gie gig gii git giz gta gtc gtd gte gtg gti gtt gza i-d ia- iaa iac iad iae iag iai iat iaz ica icc icd ice icg ici ict icz ida idc idd ide idg idi idt ie- iea iec ied iee ieg iei iet iga igc igd ige igg igi igt iia iic iid iie iii iit ita itc itd ite itg iti itt itz iza ize izi izz taa tac tad tae tag tai tat taz tca tcc tcd tce tcg tci tct tda tdc tdd tde tdg tdi tdt te- tea tec ted tee teg tei tet tez tga tgc tge tgg tgi tgt tgz tia tic tid tie tig tii tit tiz tta ttc ttd tte ttg tti ttt tza tzd tze z-g zaa zac zad zag zai zat zaz zce zdt zea zec zed zee zet zez zgg zgi zia zid zie zig zit ziz zta zte zzt zzz