a-a a-t aaa aad aap aas aat aay ad- ada add adp ads adt ady ap- apa apd app aps apt apy as- asa asd asp ass ast asy at- ata atd atp ats att ay- aya ayd ayp ays ayt daa dad dap das dat day dda ddd ddp dds ddt ddy dpa dpd dpp dps dpt dsa dsd dsp dss dst dsy dta dtd dtp dts dtt dty dy- dya dyd dyp dys dyy p-p paa pad pap pas pat pay pda pdd pdp pds pdt ppa ppd ppp pps ppt ps- psa psd psp pss pst psy pt- pta ptd ptp pts ptt pty py- pya pyd pys pyt saa sad sap sas sat say sda sdd sdp sds sdt sdy spa spd spp sps spt spy ss- ssa ssd ssp sss sst sta std stp sts stt sty sy- sya syd syp sys syt taa tad tap tas tat tay tda tdd tdp tds tdt tdy tpa tpd tpp tps tpt tsa tsd tsp tss tst tsy tta ttd ttp tts ttt tty tya tyd typ tys tyt yaa yad yap yas yat yay yda yds ydt ydy ypa ypd yps ysa ysp yss yst ysy yta ytd ytp yts ytt yys yyt yyy