-ic a-a a-c a-i a-t aaa aac aad aag aai aar aas aat ac- aca acc acd acg aci acr acs act ad- ada adc add adg adi adr ads adt ag- aga agc agd agg agi agr ags agt ai- aia aic aid aig aii air ais ait ar- ara arc ard arg ari arr ars art as- asa asc asd asg asi asr ass ast at- ata atc atd atg ati atr ats att c-- caa cac cad cag cai car cas cat cca ccc ccd ccg cci ccr ccs cct cda cdc cdd cdg cdi cdr cds cdt cga cgc cgd cgg cgi cgr cgs cgt ci- cia cic cid cig cii cir cis cit cra crc crd crg cri crr crs crt csa csc csd csg csi csr css cst cta ctc ctd ctg cti ctr cts ctt daa dac dad dag dai dar das dat dca dcc dcd dcg dci dcr dcs dct dda ddc ddd ddg ddi ddr dds ddt dga dgc dgd dgg dgi dgr dgs dgt di- dia dic did dig dii dir dis dit dra drc drd drg dri drr drs drt dsa dsc dsd dsg dsi dsr dss dst dta dtc dtd dtg dti dtr dts dtt g-d gaa gac gad gag gai gar gas gat gca gcc gcd gcg gci gcr gcs gct gda gdc gdd gdi gdr gds gdt gga ggc ggd ggg ggi ggr ggs ggt gia gic gid gig gii gir gis git gra grc grd grg gri grr grs grt gsa gsc gsd gsg gsi gsr gss gst gta gtc gtd gtg gti gtr gts gtt i-d ia- iaa iac iad iag iai iar ias iat ica icc icd icg ici icr ics ict ida idc idd idg idi idr ids idt iga igc igd igg igi igr igs igt iia iic iid iii iir iis iit ir- ira irc ird irg iri irr irs irt is- isa isc isd isg isi isr iss ist ita itc itd itg iti its itt ra- raa rac rad rag rai rar ras rat rca rcc rcd rcg rci rcr rcs rct rda rdc rdd rdg rdi rdr rds rdt rga rgc rgd rgg rgi rgr rgs rgt ria ric rid rig rii rir ris rit rra rrc rrd rrg rri rrr rrs rrt rsa rsc rsd rsg rsi rsr rss rst rta rtc rtd rtg rti rtr rts rtt saa sac sad sag sai sar sas sat sca scc scd scg sci scr scs sct sda sdc sdd sdg sdi sdr sds sdt sga sgc sgd sgg sgi sgr sgs sgt sia sic sid sig sii sir sis sit sr- sra src srd srg sri srr srs srt ss- ssa ssc ssd ssg ssi ssr sss sst sta stc std stg sti str sts stt taa tac tad tag tai tar tas tat tca tcc tcd tcg tci tcr tcs tct tda tdc tdd tdg tdi tdr tds tdt tga tgc tgg tgi tgr tgs tgt tia tic tid tig tii tir tis tit tra trc trd trg tri trr trs trt tsa tsc tsd tsg tsi tsr tss tst tta ttc ttd ttg tti ttr tts ttt