-ic a-a a-c a-i a-t aaa aac aad aae aag aai aao aas aat ac- aca acc acd ace acg aci aco acs act ad- ada adc add ade adg adi ado ads adt aea aec aed aee aeg aei aeo aes aet ag- aga agc agd age agg agi ago ags agt ai- aia aic aid aie aig aii aio ais ait aoa aoc aod aoe aog aoi aoo aos aot as- asa asc asd ase asg asi aso ass ast at- ata atc atd ate atg ati ato ats att c-- caa cac cad cae cag cai cao cas cat cca ccc ccd cce ccg cci cco ccs cct cda cdc cdd cde cdg cdi cdo cds cdt ce- cea cec ced cee ceg cei ceo ces cet cga cgc cgd cge cgg cgi cgo cgs cgt ci- cia cic cid cie cig cii cio cis cit co- coa coc cod coe cog coi coo cos cot csa csc csd cse csg csi cso css cst cta ctc ctd cte ctg cti cto cts ctt daa dac dad dae dag dai dao das dat dca dcc dcd dce dcg dci dco dcs dct dda ddc ddd dde ddg ddi ddo dds ddt de- dea dec ded dee deg dei deo des det dga dgc dgd dge dgg dgi dgs dgt di- dia dic did die dig dii dio dis dit doa doc dod doe dog doi doo dos dot dsa dsc dsd dse dsg dsi dso dss dst dta dtc dtd dte dtg dti dto dts dtt eaa eac ead eae eag eai eao eas eat ec- eca ecc ecd ece ecg eci eco ecs ect ed- eda edc edd ede edg edi edo eds edt eea eec eed eee eeg eeo ees eet ega egc egd ege egg egi ego egs egt eia eic eid eie eig eii eio eis eit eo- eoa eoc eod eoe eog eoi eoo eos eot es- esa esc esd ese esg esi eso ess est eta etc etd ete etg eti eto ets ett g-d gaa gac gad gae gag gai gao gas gat gca gcc gcd gce gcg gci gco gcs gct gda gdc gdd gde gdi gdo gds gdt ge- gea gec ged gee geg gei geo ges get gga ggc ggd ggg ggi ggo ggs ggt gia gic gid gie gig gii gio gis git goa goc god goe gog goi goo gos got gsa gsc gsd gse gsg gsi gso gss gst gta gtc gtd gte gtg gti gto gts gtt i-d ia- iaa iac iad iae iag iai iao ias iat ica icc icd ice icg ici ico ics ict ida idc idd ide idg idi ido ids idt ie- iea iec ied iee ieg iei ies iet iga igc igd ige igg igi igo igs igt iia iic iid iie iii iio iis iit io- ioa ioc iod ioe iog ioi ioo ios iot is- isa isc isd ise isg isi iso iss ist ita itc itd ite itg iti ito its itt o-i oaa oac oad oae oag oai oao oas oat oc- oca occ ocd ocg oci oco ocs oct oda odc odd ode odg odi odo ods odt oea oec oed oee oeg oei oeo oes oet oga ogc ogd oge ogg ogi ogo ogs ogt oia oic oid oie oii oio ois oit oo- ooa ooc ood oog ooi ooo oos oot os- osa osc osd ose osg osi oso oss ost ot- ota otc otd ote otg oti oto ots ott saa sac sad sae sag sai sao sas sat sca scc scd sce scg sci sco scs sct sda sdc sdd sde sdg sdi sdo sds sdt se- sea sec sed see seg sei seo ses set sga sgc sgd sge sgg sgi sgo sgs sgt sia sic sid sie sig sii sio sis sit soa soc sod soe sog soi soo sos sot ss- ssa ssc ssd sse ssg ssi sso sss sst sta stc std ste stg sti sto sts stt taa tac tad tae tag tai tao tas tat tca tcc tcd tce tcg tci tco tcs tct tda tdc tdd tde tdg tdi tdo tds tdt te- tea tec ted tee teg tei teo tes tet tga tgc tge tgg tgi tgo tgs tgt tia tic tid tie tig tii tio tis tit to- toa toc tod toe tog toi too tos tot tsa tsc tsd tse tsg tsi tso tss tst tta ttc ttd tte ttg tti tto tts ttt