-ic a-a a-c a-i a-t aaa aac aae aag aai aao aat ac- aca acc ace acg aci aco act aea aec aee aeg aei aeo aet ag- aga agc age agg agi ago agt ai- aia aic aie aig aii aio ait aoa aoc aoe aog aoi aoo aot at- ata atc ate atg ati ato att c-- caa cac cae cag cai cao cat cca ccc cce ccg cci cco cct ce- cea cec cee ceg cei ceo cet cga cgc cge cgg cgi cgo cgt ci- cia cic cie cig cii cio cit co- coa coc coe cog coi coo cot cta ctc cte ctg cti cto ctt eaa eac eae eag eai eao eat ec- eca ecc ece ecg eci eco ect eea eec eee eeg eeo eet ega egc ege egg egi ego egt eia eic eie eig eii eio eit eo- eoa eoc eoe eog eoi eoo eot eta etc ete etg eti eto ett gaa gac gae gag gai gao gat gca gcc gce gcg gci gco gct ge- gea gec gee geg gei geo get gga ggc ggg ggi ggo ggt gia gic gie gig gii gio git goa goc goe gog goi goo got gta gtc gte gtg gti gto gtt ia- iaa iac iae iag iai iao iat ica icc ice icg ici ico ict ie- iea iec iee ieg iei iet iga igc ige igg igi igo igt iia iic iie iii iio iit io- ioa ioc ioe iog ioi ioo iot ita itc ite itg iti ito itt o-i oaa oac oae oag oai oao oat oc- oca occ ocg oci oco oct oea oec oee oeg oei oeo oet oga ogc oge ogg ogi ogo ogt oia oic oie oii oio oit oo- ooa ooc oog ooi ooo oot ot- ota otc ote otg oti oto ott taa tac tae tag tai tao tat tca tcc tce tcg tci tco tct te- tea tec tee teg tei teo tet tga tgc tge tgg tgi tgo tgt tia tic tie tig tii tio tit to- toa toc toe tog toi too tot tta ttc tte ttg tti tto ttt