a-a aaa aad aah aao aap ad- ada add adh ado adp aha ahd ahh aho ahp aoa aod aoh aoo aop ap- apa apd aph apo app daa dad dah dao dap dda ddd ddh ddo ddp dh- dha dhd dhh dho dhp doa dod doh doo dop dpa dpd dph dpo dpp haa had hah hao hap hda hdd hdh hdo hdp hha hhd hhh hho hhp hoa hod hoh hoo hop hpa hpd hph hpo hpp oaa oad oah oao oap oda odd odh odo odp oha ohd ohh oho ohp oo- ooa ood ooh ooo oop op- opa opd oph opo opp p-p paa pad pah pao pap pda pdd pdh pdo pdp pha phd pho php poa pod poh poo pop ppa ppd pph ppo ppp