-ic a-a a-c a-i a-t aaa aac aad aae aag aai aat ac- aca acc acd ace acg aci act ad- ada adc add ade adg adi adt aea aec aed aee aeg aei aet ag- aga agc agd age agg agi agt ai- aia aic aid aie aig aii ait at- ata atc atd ate atg ati att c-- caa cac cad cae cag cai cat cca ccc ccd cce ccg cci cct cda cdc cdd cde cdg cdi cdt ce- cea cec ced cee ceg cei cet cga cgc cgd cge cgg cgi cgt ci- cia cic cid cie cig cii cit cta ctc ctd cte ctg cti ctt daa dac dad dae dag dai dat dca dcc dcd dce dcg dci dct dda ddc ddd dde ddg ddi ddt de- dea dec ded dee deg dei det dga dgc dgd dge dgg dgi dgt di- dia dic did die dig dii dit dta dtc dtd dte dtg dti dtt eaa eac ead eae eag eai eat 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 g-d gaa gac gad gae gag gai gat gca gcc gcd gce gcg gci gct gda gdc gdd gde gdi gdt ge- gea gec ged gee geg gei get gga ggc ggd ggg ggi ggt gia gic gid gie gig gii git gta gtc gtd gte gtg gti gtt i-d ia- iaa iac iad iae iag iai iat ica icc icd ice icg ici ict 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 taa tac tad tae tag tai tat tca tcc tcd tce tcg tci tct tda tdc tdd tde tdg tdi tdt te- tea tec ted tee teg tei tet tga tgc tge tgg tgi tgt tia tic tid tie tig tii tit tta ttc ttd tte ttg tti ttt