a-a a-t aaa aad aap aar aat aay ad- ada add adp adr adt ady ap- apa apd app apr apt apy ar- ara ard arp arr art ary at- ata atd atp atr att ay- aya ayd ayp ayr ayt daa dad dap dar dat day dda ddd ddp ddr ddt ddy dpa dpd dpp dpr dpt dra drd drp drr drt dry dta dtd dtp dtr dtt dty dy- dya dyd dyp dyr dyy p-p paa pad pap par pat pay pda pdd pdp pdr pdt ppa ppd ppp ppr ppt pra prd prp prr prt pry pt- pta ptd ptp ptr ptt pty py- pya pyd pyr pyt ra- raa rad rap rar rat ray rda rdd rdp rdr rdt rdy rpa rpd rpp rpr rpt rra rrd rrp rrr rrt rta rtd rtp rtr rtt rty ry- rya ryd ryr ryy taa tad tap tar tat tay tda tdd tdp tdr tdt tdy tpa tpd tpp tpr tpt tra trd trp trr trt try tta ttd ttp ttr ttt tty tya tyd typ tyr tyt yaa yad yap yar yat yay yda ydt ydy ypa ypd yra yrp yrt yta ytd ytp ytr ytt yyt yyy