-ic a-a a-c a-i a-t aaa aac aag aai aan aar aas aat ac- aca acc acg aci acn acr acs act ag- aga agc agg agi agn agr ags agt ai- aia aic aig aii ain air ais ait an- ana anc ang ani ann anr ans ant ar- ara arc arg ari arn arr ars art as- asa asc asg asi asn asr ass ast at- ata atc atg ati atn atr ats att c-- caa cac cag cai can car cas cat cca ccc ccg cci ccn ccr ccs cct cga cgc cgg cgi cgn cgr cgs cgt ci- cia cic cig cii cin cir cis cit cn- cna cnc cng cni cnn cnr cns cnt cra crc crg cri crn crr crs crt csa csc csg csi csn csr css cst cta ctc ctg cti ctn ctr cts ctt gaa gac gag gai gan gar gas gat gca gcc gcg gci gcn gcr gcs gct gga ggc ggg ggi ggn ggr ggs ggt gia gic gig gii gin gir gis git gna gnc gni gnn gnr gns gnt gra grc grg gri grn grr grs grt gsa gsc gsg gsi gsn gsr gss gst gta gtc gtg gti gtn gtr gts gtt ia- iaa iac iag iai ian iar ias iat ica icc icg ici icn icr ics ict iga igc igg igi ign igr igs igt iia iic iii iin iir iis iit in- ina inc ing ini inn inr ins int ir- ira irc irg iri irn irr irs irt is- isa isc isg isi isn isr iss ist ita itc itg iti itn its itt n-i naa nac nag nai nan nar nas nat nca ncc ncg nci ncn ncr ncs nct nga ngc ngg ngi ngn ngs ngt nia nic nig nii nin nir nis nit nna nnc nng nni nnn nns nnt nra nrc nrg nri nrn nrr nrs nrt nsa nsc nsg nsi nsn nsr nss nst nta ntc ntg nti ntn ntr nts ntt ra- raa rac rag rai ran rar ras rat rca rcc rcg rci rcn rcr rcs rct rga rgc rgg rgi rgn rgr rgs rgt ria ric rig rii rin rir ris rit rna rnc rng rni rnn rnr rns rnt rra rrc rrg rri rrn rrr rrs rrt rsa rsc rsg rsi rsn rsr rss rst rta rtc rtg rti rtn rtr rts rtt saa sac sag sai san sar sas sat sca scc scg sci scn scr scs sct sga sgc sgg sgi sgn sgr sgs sgt sia sic sig sii sin sir sis sit sna snc sng sni snn snr sns snt sr- sra src srg sri srn srr srs srt ss- ssa ssc ssg ssi ssn ssr sss sst sta stc stg sti stn str sts stt taa tac tag tai tan tar tas tat tca tcc tcg tci tcn tcr tcs tct tga tgc tgg tgi tgn tgr tgs tgt tia tic tig tii tin tir tis tit tna tnc tng tni tnn tnr tns tnt tra trc trg tri trn trr trs trt tsa tsc tsg tsi tsn tsr tss tst tta ttc ttg tti ttn ttr tts ttt