-ic a-a a-c a-i a-t aaa aac aae aag aai aan aao aat ac- aca acc ace acg aci acn aco act aea aec aee aeg aei aen aeo aet ag- aga agc age agg agi agn ago agt ai- aia aic aie aig aii ain aio ait an- ana anc ane ang ani ann ano ant aoa aoc aoe aog aoi aon aoo aot at- ata atc ate atg ati atn ato att c-- caa cac cae cag cai can cao cat cca ccc cce ccg cci ccn cco cct ce- cea cec cee ceg cei cen ceo cet cga cgc cge cgg cgi cgn cgo cgt ci- cia cic cie cig cii cin cio cit cn- cna cnc cne cng cni cnn cno cnt co- coa coc coe cog coi con coo cot cta ctc cte ctg cti ctn cto ctt eaa eac eae eag eai ean eao eat ec- eca ecc ece ecg eci ecn eco ect eea eec eee eeg een eeo eet ega egc ege egg egi egn ego egt eia eic eie eig eii ein eio eit en- ena enc ene eng eni enn eno ent eo- eoa eoc eoe eog eoi eon eoo eot eta etc ete etg eti etn eto ett gaa gac gae gag gai gan gao gat gca gcc gce gcg gci gcn gco gct ge- gea gec gee geg gei gen geo get gga ggc ggg ggi ggn ggo ggt gia gic gie gig gii gin gio git gna gnc gne gni gnn gno gnt goa goc goe gog goi gon goo got gta gtc gte gtg gti gtn gto gtt ia- iaa iac iae iag iai ian iao iat ica icc ice icg ici icn ico ict ie- iea iec iee ieg iei ien iet iga igc ige igg igi ign igo igt iia iic iie iii iin iio iit in- ina inc ine ing ini inn ino int io- ioa ioc ioe iog ioi ion ioo iot ita itc ite itg iti itn ito itt n-i naa nac nae nag nai nan nao nat nca ncc nce ncg nci ncn nco nct ne- nea nec nee neg nei nen neo net nga ngc nge ngg ngi ngn ngo ngt nia nic nie nig nii nin nio nit nna nnc nne nng nni nnn nno nnt no- noa noc noe nog noi non noo not nta ntc nte ntg nti ntn nto ntt o-i oaa oac oae oag oai oan oao oat oc- oca occ ocg oci ocn oco oct oea oec oee oeg oei oen oeo oet oga ogc oge ogg ogi ogn ogo ogt oia oic oie oii oin oio oit on- ona onc one ong oni onn ono ont oo- ooa ooc oog ooi oon ooo oot ot- ota otc ote otg oti otn oto ott taa tac tae tag tai tan tao tat tca tcc tce tcg tci tcn tco tct te- tea tec tee teg tei ten teo tet tga tgc tge tgg tgi tgn tgo tgt tia tic tie tig tii tin tio tit tna tnc tne tng tni tnn tno tnt to- toa toc toe tog toi ton too tot tta ttc tte ttg tti ttn tto ttt