ddd ddn ddo ddp ddw dnd dnn dno dnp dnw dod don doo dop dow dpd dpn dpo dpp dpw dwn dwo dwp dww ndd ndn ndo ndp nnn nno nnp nnw no- nod non noo nop now npd npn npo npp npw nwd nwn nwo nwp odd odn odo odp on- ond onn ono onp oo- ood oon ooo oop oow op- opd opn opo opp opw owd own owo owp oww p-p pdd pdn pdo pdp pn- pnd pnn pno pnp pnw pod pon poo pop pow ppd ppn ppo ppp ppw pwd pwn pwo pwp wdp wn- wnd wnn wno wnp wnw wod won woo wop wow wpd wpn wpo wpp wwd wwn wwo wwp www