a-a a-c a-t aaa aac aad aaf aar aat aay ac- aca acc acd acf acr act acy ad- ada adc add adf adr adt ady af- afa afc afd aff afr aft afy ar- ara arc ard arf arr art ary at- ata atc atd atf atr att ay- aya ayc ayd ayf ayr ayt c-- caa cac cad caf car cat cay cca ccc ccd ccf ccr cct cda cdc cdd cdf cdr cdt cdy cfa cfc cfd cff cfr cft cra crc crd crf crr crt cry cta ctc ctd ctf ctr ctt cty cya cyc cyd cyf cyr cyt daa dac dad daf dar dat day dca dcc dcd dcf dcr dct dda ddc ddd ddf ddr ddt ddy dfa dfc dfd dff dfr dft dra drc drd drr drt dry dta dtc dtd dtf dtr dtt dty dy- dya dyc dyd dyr dyy faa fac fad faf far fat fay fca fcc fcd fcf fcr fct fcy fda fdc fdd fdf fdr fdt ffa ffc ffd fff ffr fft ffy fra frc frd frf frr frt fry fta ftc ftd ftf ftr ftt fty fy- fya fyc ra- raa rac rad raf rar rat ray rca rcc rcd rcf rcr rct rda rdc rdd rdf rdr rdt rdy rfa rfc rfd rff rfr rft rra rrc rrd rrf rrr rrt rta rtc rtd rtf rtr rtt rty ry- rya ryc ryd ryf ryr ryy taa tac tad taf tar tat tay tca tcc tcd tcf tcr tct tda tdc tdd tdf tdr tdt tdy tfa tfc tfd tff tfr tft tra trc trd trf trr trt try tta ttc ttd ttf ttr ttt tty tya tyc tyd tyf tyr tyt yaa yac yad yaf yar yat yay yca ycc ycd ycf ycy yda ydt ydy yfa yfc yfd yff yfr yft yra yrc yrf yrt yta ytc ytd ytf ytr ytt yyc yyf yyt yyy