ddd ddn ddo ddp ddt ddy dnd dnn dno dnp dnt dny dod don doo dop dot doy dpd dpn dpo dpp dpt dtd dtn dto dtp dtt dty dy- dyd dyn dyo dyp dyy ndd ndn ndo ndp ndt ndy nnn nno nnp nnt no- nod non noo nop not noy npd npn npo npp npt ntd ntn nto ntp ntt nyd nyn nyo nyp nyt nyy odd odn odo odp odt on- ond onn ono onp ont ony oo- ood oon ooo oop oot op- opd opn opo opp opt opy ot- otd otn oto otp ott oyd oyo p-p pdd pdn pdo pdp pdt pn- pnd pnn pno pnp pnt pny pod pon poo pop pot poy ppd ppn ppo ppp ppt pt- ptd ptn pto ptp ptt pty py- pyd pyn pyo pyt tdd tdn tdo tdp tdt tdy tnd tnn tno tnp tnt to- tod ton too top tot toy tpd tpn tpo tpp tpt ttd ttn tto ttp ttt tty tyd tyn tyo typ tyt ydn ydo ydt ydy ynd ynn ynp yny yod yon yoo yop yot yoy ypd ypo ytd ytn yto ytp ytt yyt yyy