-ic a-a a-c a-i a-t aaa aac aad aae aag aai aan aao aat ac- aca acc acd ace acg aci acn aco act ad- ada adc add ade adg adi adn ado adt aea aec aed aee aeg aei aen aeo aet ag- aga agc agd age agg agi agn ago agt ai- aia aic aid aie aig aii ain aio ait an- ana anc and ane ang ani ann ano ant aoa aoc aod aoe aog aoi aon aoo aot at- ata atc atd ate atg ati atn ato att c-- caa cac cad cae cag cai can cao cat cca ccc ccd cce ccg cci ccn cco cct cda cdc cdd cde cdg cdi cdn cdo cdt ce- cea cec ced cee ceg cei cen ceo cet cga cgc cgd cge cgg cgi cgn cgo cgt ci- cia cic cid cie cig cii cin cio cit cn- cna cnc cnd cne cng cni cnn cno cnt co- coa coc cod coe cog coi con coo cot cta ctc ctd cte ctg cti ctn cto ctt daa dac dad dae dag dai dan dao dat dca dcc dcd dce dcg dci dcn dco dct dda ddc ddd dde ddg ddi ddn ddo ddt de- dea dec ded dee deg dei den deo det dga dgc dgd dge dgg dgi dgn dgt di- dia dic did die dig dii din dio dit dna dnc dnd dne dng dni dnn dno dnt doa doc dod doe dog doi don doo dot dta dtc dtd dte dtg dti dtn dto dtt eaa eac ead eae eag eai ean eao eat ec- eca ecc ecd ece ecg eci ecn eco ect ed- eda edc edd ede edg edi edn edo edt eea eec eed eee eeg een eeo eet ega egc egd ege egg egi egn ego egt eia eic eid eie eig eii ein eio eit en- ena enc end ene eng eni enn eno ent eo- eoa eoc eod eoe eog eoi eon eoo eot eta etc etd ete etg eti etn eto ett g-d gaa gac gad gae gag gai gan gao gat gca gcc gcd gce gcg gci gcn gco gct gda gdc gdd gde gdi gdn gdo gdt ge- gea gec ged gee geg gei gen geo get gga ggc ggd ggg ggi ggn ggo ggt gia gic gid gie gig gii gin gio git gna gnc gnd gne gni gnn gno gnt goa goc god goe gog goi gon goo got gta gtc gtd gte gtg gti gtn gto gtt i-d ia- iaa iac iad iae iag iai ian iao iat ica icc icd ice icg ici icn ico ict ida idc idd ide idg idi idn ido idt ie- iea iec ied iee ieg iei ien iet iga igc igd ige igg igi ign igo igt iia iic iid iie iii iin iio iit in- ina inc ind ine ing ini inn ino int io- ioa ioc iod ioe iog ioi ion ioo iot ita itc itd ite itg iti itn ito itt n-i naa nac nad nae nag nai nan nao nat nca ncc ncd nce ncg nci ncn nco nct nda ndc ndd nde ndg ndi ndn ndo ndt ne- nea nec ned nee neg nei nen neo net nga ngc ngd nge ngg ngi ngn ngo ngt nia nic nid nie nig nii nin nio nit nna nnc nne nng nni nnn nno nnt no- noa noc nod noe nog noi non noo not nta ntc ntd nte ntg nti ntn nto ntt o-i oaa oac oad oae oag oai oan oao oat oc- oca occ ocd ocg oci ocn oco oct oda odc odd ode odg odi odn odo odt oea oec oed oee oeg oei oen oeo oet oga ogc ogd oge ogg ogi ogn ogo ogt oia oic oid oie oii oin oio oit on- ona onc ond one ong oni onn ono ont oo- ooa ooc ood oog ooi oon ooo oot ot- ota otc otd ote otg oti otn oto ott taa tac tad tae tag tai tan tao tat tca tcc tcd tce tcg tci tcn tco tct tda tdc tdd tde tdg tdi tdn tdo tdt te- tea tec ted tee teg tei ten teo tet tga tgc tge tgg tgi tgn tgo tgt tia tic tid tie tig tii tin tio tit tna tnc tnd tne tng tni tnn tno tnt to- toa toc tod toe tog toi ton too tot tta ttc ttd tte ttg tti ttn tto ttt