-ic a-a a-c a-i a-t aaa aac aae aag aai aam aas aat ac- aca acc ace acg aci acm acs act aea aec aee aeg aei aem aes aet ag- aga agc age agg agi agm ags agt ai- aia aic aie aig aii aim ais ait ama amc ame amg ami amm ams amt as- asa asc ase asg asi asm ass ast at- ata atc ate atg ati atm ats att c-- caa cac cae cag cai cam cas cat cca ccc cce ccg cci ccm ccs cct ce- cea cec cee ceg cei cem ces cet cga cgc cge cgg cgi cgm cgs cgt ci- cia cic cie cig cii cim cis cit cma cmc cme cmg cmi cmm cms cmt csa csc cse csg csi csm css cst cta ctc cte ctg cti ctm cts ctt eaa eac eae eag eai eam eas eat ec- eca ecc ece ecg eci ecm ecs ect eea eec eee eeg eem ees eet ega egc ege egg egi egm egs egt eia eic eie eig eii eim eis eit em- ema emc eme emg emi emm ems emt es- esa esc ese esg esi esm ess est eta etc ete etg eti etm ets ett gaa gac gae gag gai gam gas gat gca gcc gce gcg gci gcm gcs gct ge- gea gec gee geg gei gem ges get gga ggc ggg ggi ggm ggs ggt gia gic gie gig gii gim gis git gma gmc gme gmg gmi gmm gms gmt gsa gsc gse gsg gsi gsm gss gst gta gtc gte gtg gti gtm gts gtt ia- iaa iac iae iag iai iam ias iat ica icc ice icg ici icm ics ict ie- iea iec iee ieg iei iem ies iet iga igc ige igg igi igm igs igt iia iic iie iii iim iis iit im- ima imc ime img imi imm ims imt is- isa isc ise isg isi ism iss ist ita itc ite itg iti itm its itt maa mac mae mag mai mam mas mat mc- mca mcc mce mcg mci mcm mcs mct mea mec mee meg mei mem mes met mga mgc mge mgi mgm mgs mgt mi- mia mic mie mig mii mim mis mit mma mmc mme mmg mmi mmm mms mmt msa msc mse msg msi msm mss mst mta mtc mte mtg mti mtm mts mtt saa sac sae sag sai sam sas sat sca scc sce scg sci scm scs sct se- sea sec see seg sei sem ses set sga sgc sge sgg sgi sgm sgs sgt sia sic sie sig sii sim sis sit sma smc sme smg smi smm sms smt ss- ssa ssc sse ssg ssi ssm sss sst sta stc ste stg sti stm sts stt taa tac tae tag tai tam tas tat tca tcc tce tcg tci tcm tcs tct te- tea tec tee teg tei tem tes tet tga tgc tge tgg tgi tgm tgs tgt tia tic tie tig tii tim tis tit tma tmc tme tmg tmi tmm tms tmt tsa tsc tse tsg tsi tsm tss tst tta ttc tte ttg tti ttm tts ttt