-ic a-a a-c a-i a-t a-z aaa aac aag aai aan aao aat aaz ac- aca acc acg aci acn aco act acz ag- aga agc agg agi agn ago agt agz ai- aia aic aig aii ain aio ait aiz an- ana anc ang ani ann ano ant anz aoa aoc aog aoi aon aoo aot at- ata atc atg ati atn ato att atz az- aza azg azi azn azo azt azz c-- caa cac cag cai can cao cat caz cca ccc ccg cci ccn cco cct ccz cga cgc cgg cgi cgn cgo cgt ci- cia cic cig cii cin cio cit cn- cna cnc cng cni cnn cno cnt co- coa coc cog coi con coo cot coz cta ctc ctg cti ctn cto ctt ctz cz- czc czo czt gaa gac gag gai gan gao gat gaz gca gcc gcg gci gcn gco gct gga ggc ggg ggi ggn ggo ggt ggz gia gic gig gii gin gio git giz gna gnc gni gnn gno gnt goa goc gog goi gon goo got goz gta gtc gtg gti gtn gto gtt gza gzo ia- iaa iac iag iai ian iao iat iaz ica icc icg ici icn ico ict icz iga igc igg igi ign igo igt iia iic iii iin iio iit in- ina inc ing ini inn ino int io- ioa ioc iog ioi ion ioo iot ita itc itg iti itn ito itt itz iza izi izo izz n-i naa nac nag nai nan nao nat naz nca ncc ncg nci ncn nco nct nga ngc ngg ngi ngn ngo ngt nia nic nig nii nin nio nit niz nna nnc nng nni nnn nno nnt nnz no- noa noc nog noi non noo not noz nta ntc ntg nti ntn nto ntt ntz nzg nzi nzo nzz o-i oaa oac oag oai oan oao oat oc- oca occ ocg oci ocn oco oct ocz oga ogc ogg ogi ogn ogo ogt oia oic oii oin oio oit oiz on- ona onc ong oni onn ono ont oo- ooa ooc oog ooi oon ooo oot ot- ota otc otg oti otn oto ott otz oza ozo ozt ozz taa tac tag tai tan tao tat taz tca tcc tcg tci tcn tco tct tga tgc tgg tgi tgn tgo tgt tgz tia tic tig tii tin tio tit tiz tna tnc tng tni tnn tno tnt tnz to- toa toc tog toi ton too tot toz tta ttc ttg tti ttn tto ttt tza z-g zaa zac zag zai zan zao zat zaz zco zgg zgi zia zig zin zio zit ziz znc znn zno zo- zoa zoc zog zoi zon zoo zot zta zzt zzz