-th a-a a-t aaa aad aah aap aat ad- ada add adh adp adt aha ahd ahh ahp aht ap- apa apd aph app apt at- ata atd ath atp att daa dad dah dap dat dda ddd ddh ddp ddt dh- dha dhd dhh dhp dht dpa dpd dph dpp dpt dta dtd dth dtp dtt haa had hah hap hat hda hdd hdh hdp hdt hha hhd hhh hhp hht hpa hpd hph hpp hpt hta htd hth htp htt p-p paa pad pah pap pat pda pdd pdh pdp pdt pha phd php pht ppa ppd pph ppp ppt pt- pta ptd pth ptp ptt taa tad tah tap tat tda tdd tdh tdp tdt th- tha thd thh thp tht tpa tpd tph tpp tpt tta ttd tth ttp ttt