-ic a-a a-c a-i a-t aaa aac aad aae aag aai aan aat ac- aca acc acd ace acg aci acn act ad- ada adc add ade adg adi adn adt aea aec aed aee aeg aei aen aet ag- aga agc agd age agg agi agn agt ai- aia aic aid aie aig aii ain ait an- ana anc and ane ang ani ann ant at- ata atc atd ate atg ati atn att c-- caa cac cad cae cag cai can cat cca ccc ccd cce ccg cci ccn cct cda cdc cdd cde cdg cdi cdn cdt ce- cea cec ced cee ceg cei cen cet cga cgc cgd cge cgg cgi cgn cgt ci- cia cic cid cie cig cii cin cit cn- cna cnc cnd cne cng cni cnn cnt cta ctc ctd cte ctg cti ctn ctt daa dac dad dae dag dai dan dat dca dcc dcd dce dcg dci dcn dct dda ddc ddd dde ddg ddi ddn ddt de- dea dec ded dee deg dei den det dga dgc dgd dge dgg dgi dgn dgt di- dia dic did die dig dii din dit dna dnc dnd dne dng dni dnn dnt dta dtc dtd dte dtg dti dtn dtt eaa eac ead eae eag eai ean eat ec- eca ecc ecd ece ecg eci ecn ect ed- eda edc edd ede edg edi edn edt eea eec eed eee eeg een eet ega egc egd ege egg egi egn egt eia eic eid eie eig eii ein eit en- ena enc end ene eng eni enn ent eta etc etd ete etg eti etn ett g-d gaa gac gad gae gag gai gan gat gca gcc gcd gce gcg gci gcn gct gda gdc gdd gde gdi gdn gdt ge- gea gec ged gee geg gei gen get gga ggc ggd ggg ggi ggn ggt gia gic gid gie gig gii gin git gna gnc gnd gne gni gnn gnt gta gtc gtd gte gtg gti gtn gtt i-d ia- iaa iac iad iae iag iai ian iat ica icc icd ice icg ici icn ict ida idc idd ide idg idi idn idt ie- iea iec ied iee ieg iei ien iet iga igc igd ige igg igi ign igt iia iic iid iie iii iin iit in- ina inc ind ine ing ini inn int ita itc itd ite itg iti itn itt n-i naa nac nad nae nag nai nan nat nca ncc ncd nce ncg nci ncn nct nda ndc ndd nde ndg ndi ndn ndt ne- nea nec ned nee neg nei nen net nga ngc ngd nge ngg ngi ngn ngt nia nic nid nie nig nii nin nit nna nnc nne nng nni nnn nnt nta ntc ntd nte ntg nti ntn ntt taa tac tad tae tag tai tan tat tca tcc tcd tce tcg tci tcn tct tda tdc tdd tde tdg tdi tdn tdt te- tea tec ted tee teg tei ten tet tga tgc tge tgg tgi tgn tgt tia tic tid tie tig tii tin tit tna tnc tnd tne tng tni tnn tnt tta ttc ttd tte ttg tti ttn ttt