-ic a-a a-c a-i a-t aaa aac aad aaf aag aai aar aat ac- aca acc acd acf acg aci acr act ad- ada adc add adf adg adi adr adt af- afa afc afd aff afg afi afr aft ag- aga agc agd agf agg agi agr agt ai- aia aic aid aif aig aii air ait ar- ara arc ard arf arg ari arr art at- ata atc atd atf atg ati atr att c-- caa cac cad caf cag cai car cat cca ccc ccd ccf ccg cci ccr cct cda cdc cdd cdf cdg cdi cdr cdt cfa cfc cfd cff cfg cfi cfr cft cga cgc cgd cgg cgi cgr cgt ci- cia cic cid cif cig cii cir cit cra crc crd crf crg cri crr crt cta ctc ctd ctf ctg cti ctr ctt daa dac dad daf dag dai dar dat dca dcc dcd dcf dcg dci dcr dct dda ddc ddd ddf ddg ddi ddr ddt dfa dfc dfd dff dfg dfi dfr dft dga dgc dgd dgf dgg dgi dgr dgt di- dia dic did dif dig dii dir dit dra drc drd drg dri drr drt dta dtc dtd dtf dtg dti dtr dtt faa fac fad faf fag fai far fat fca fcc fcd fcf fcg fci fcr fct fda fdc fdd fdf fdg fdi fdr fdt ffa ffc ffd fff ffg ffi ffr fft fga fgc fgd fgf fgg fgi fgr fgt fia fic fid fif fig fii fir fit fra frc frd frf frg fri frr frt fta ftc ftd ftf ftg fti ftr ftt g-d gaa gac gad gaf gag gai gar gat gca gcc gcd gcf gcg gci gcr gct gda gdc gdd gdf gdi gdr gdt gfa gfc gfd gff gfi gfr gft gga ggc ggd ggg ggi ggr ggt gia gic gid gif gig gii gir git gra grc grd grf grg gri grr grt gta gtc gtd gtf gtg gti gtr gtt i-d i-f ia- iaa iac iad iaf iag iai iar iat ica icc icd icf icg ici icr ict ida idc idd idf idg idi idr idt ifa ifc ifd iff ifg ifi ifr ift iga igc igd igf igg igi igr igt iia iic iid iif iii iir iit ir- ira irc ird irf irg iri irr irt ita itc itd itf itg iti itt ra- raa rac rad raf rag rai rar rat rca rcc rcd rcf rcg rci rcr rct rda rdc rdd rdf rdg rdi rdr rdt rfa rfc rfd rff rfg rfi rfr rft rga rgc rgd rgf rgg rgi rgr rgt ria ric rid rif rig rii rir rit rra rrc rrd rrf rrg rri rrr rrt rta rtc rtd rtf rtg rti rtr rtt taa tac tad taf tag tai tar tat tca tcc tcd tcf tcg tci tcr tct tda tdc tdd tdf tdg tdi tdr tdt tfa tfc tfd tff tfg tfi tfr tft tga tgc tgf tgg tgi tgr tgt tia tic tid tif tig tii tir tit tra trc trd trf trg tri trr trt tta ttc ttd ttf ttg tti ttr ttt