-ic a-a a-c a-i a-t a-z aaa aac aae aag aai aat aaz ac- aca acc ace acg aci act acz aea aec aee aeg aei aet aez ag- aga agc age agg agi agt agz ai- aia aic aie aig aii ait aiz at- ata atc ate atg ati att atz az- aza aze azg azi azt azz c-- caa cac cae cag cai cat caz cca ccc cce ccg cci cct ccz ce- cea cec cee ceg cei cet cez cga cgc cge cgg cgi cgt ci- cia cic cie cig cii cit cta ctc cte ctg cti ctt ctz cz- czc cze czt eaa eac eae eag eai eat eaz ec- eca ecc ece ecg eci ect eea eec eee eeg eet ega egc ege egg egi egt eia eic eie eig eii eit eta etc ete etg eti ett etz eze ezz gaa gac gae gag gai gat gaz gca gcc gce gcg gci gct ge- gea gec gee geg gei get gez gga ggc ggg ggi ggt ggz gia gic gie gig gii git giz gta gtc gte gtg gti gtt gza ia- iaa iac iae iag iai iat iaz ica icc ice icg ici ict icz ie- iea iec iee ieg iei iet iga igc ige igg igi igt iia iic iie iii iit ita itc ite itg iti itt itz iza ize izi izz taa tac tae tag tai tat taz tca tcc tce tcg tci tct te- tea tec tee teg tei tet tez tga tgc tge tgg tgi tgt tgz tia tic tie tig tii tit tiz tta ttc tte ttg tti ttt tza tze z-g zaa zac zag zai zat zaz zce zea zec zee zet zez zgg zgi zia zie zig zit ziz zta zte zzt zzz