a-a aaa aad aah aan aao aap ad- ada add adh adn ado adp aha ahd ahh ahn aho ahp an- ana and anh ann ano anp aoa aod aoh aon aoo aop ap- apa apd aph apn apo app daa dad dah dan dao dap dda ddd ddh ddn ddo ddp dh- dha dhd dhh dho dhp dna dnd dnh dnn dno dnp doa dod doh don doo dop dpa dpd dph dpn dpo dpp haa had hah han hao hap hda hdd hdh hdn hdo hdp hha hhd hhh hhn hho hhp hna hnd hnh hnn hno hoa hod hoh hon hoo hop hpa hpd hph hpn hpo hpp naa nad nah nan nao nap nda ndd ndh ndn ndo ndp nha nhd nhh nhn nhp nna nnh nnn nno nnp no- noa nod noh non noo nop npa npd nph npn npo npp oaa oad oah oan oao oap oda odd odh odn odo odp oha ohd ohh ohn oho ohp on- ona ond onh onn ono onp oo- ooa ood ooh oon ooo oop op- opa opd oph opn opo opp p-p paa pad pah pan pao pap pda pdd pdh pdn pdo pdp pha phd phn pho php pn- pna pnd pnh pnn pno pnp poa pod poh pon poo pop ppa ppd pph ppn ppo ppp