-ic a-a a-c a-i a-t aaa aac aag aai aan aao aar aat ac- aca acc acg aci acn aco acr act ag- aga agc agg agi agn ago agr agt ai- aia aic aig aii ain aio air ait an- ana anc ang ani ann ano anr ant aoa aoc aog aoi aon aoo aor aot ar- ara arc arg ari arn aro arr art at- ata atc atg ati atn ato atr att c-- caa cac cag cai can cao car cat cca ccc ccg cci ccn cco ccr cct cga cgc cgg cgi cgn cgo cgr cgt ci- cia cic cig cii cin cio cir cit cn- cna cnc cng cni cnn cno cnr cnt co- coa coc cog coi con coo cor cot cra crc crg cri crn cro crr crt cta ctc ctg cti ctn cto ctr ctt gaa gac gag gai gan gao gar gat gca gcc gcg gci gcn gco gcr gct gga ggc ggg ggi ggn ggo ggr ggt gia gic gig gii gin gio gir git gna gnc gni gnn gno gnr gnt goa goc gog goi gon goo gor got gra grc grg gri grn gro grr grt gta gtc gtg gti gtn gto gtr gtt ia- iaa iac iag iai ian iao iar iat ica icc icg ici icn ico icr ict iga igc igg igi ign igo igr igt iia iic iii iin iio iir iit in- ina inc ing ini inn ino inr int io- ioa ioc iog ioi ion ioo ior iot ir- ira irc irg iri irn iro irr irt ita itc itg iti itn ito itt n-i naa nac nag nai nan nao nar nat nca ncc ncg nci ncn nco ncr nct nga ngc ngg ngi ngn ngo ngt nia nic nig nii nin nio nir nit nna nnc nng nni nnn nno nnt no- noa noc nog noi non noo nor not nra nrc nrg nri nrn nro nrr nrt nta ntc ntg nti ntn nto ntr ntt o-i oaa oac oag oai oan oao oar oat oc- oca occ ocg oci ocn oco ocr oct oga ogc ogg ogi ogn ogo ogt oia oic oii oin oio oir oit on- ona onc ong oni onn ono onr ont oo- ooa ooc oog ooi oon ooo oor oot or- ora orc org ori orn oro orr ort ot- ota otc otg oti otn oto otr ott ra- raa rac rag rai ran rao rar rat rca rcc rcg rci rcn rco rcr rct rga rgc rgg rgi rgn rgo rgr rgt ria ric rig rii rin rio rir rit rna rnc rng rni rnn rno rnr rnt roa roc rog roi ron roo ror rot rra rrc rrg rri rrn rrr rrt rta rtc rtg rti rtn rto rtr rtt taa tac tag tai tan tao tar tat tca tcc tcg tci tcn tco tcr tct tga tgc tgg tgi tgn tgo tgr tgt tia tic tig tii tin tio tir tit tna tnc tng tni tnn tno tnr tnt to- toa toc tog toi ton too tor tot tra trc trg tri trn tro trr trt tta ttc ttg tti ttn tto ttr ttt