-th a-a a-t aaa aah aan aap aat aha ahh ahn ahp aht an- ana anh ann anp ant ap- apa aph apn app apt at- ata ath atn atp att haa hah han hap hat hha hhh hhn hhp hht hna hnh hnn hnt hpa hph hpn hpp hpt hta hth htn htp htt naa nah nan nap nat nha nhh nhn nhp nht nna nnh nnn nnp nnt npa nph npn npp npt nta nth ntn ntp ntt p-p paa pah pan pap pat pha phn php pht pn- pna pnh pnn pnp pnt ppa pph ppn ppp ppt pt- pta pth ptn ptp ptt taa tah tan tap tat th- tha thh thn thp tht tna tnh tnn tnp tnt tpa tph tpn tpp tpt tta tth ttn ttp ttt