ddd dde ddn ddo ddp ddt de- ded dee den deo dep det dnd dne dnn dno dnp dnt dod doe don doo dop dot dpd dpe dpn dpo dpp dpt dtd dte dtn dto dtp dtt ed- edd ede edn edo edp edt eed eee een eeo eep eet en- end ene enn eno enp ent eo- eod eoe eon eoo eop eot ep- epd epe epn epo epp ept etd ete etn eto etp ett ndd nde ndn ndo ndp ndt ne- ned nee nen neo nep net nne nnn nno nnp nnt no- nod noe non noo nop not npd npe npn npo npp npt ntd nte ntn nto ntp ntt odd ode odn odo odp odt oed oee oen oeo oep oet on- ond one onn ono onp ont oo- ood oon ooo oop oot op- opd ope opn opo opp opt ot- otd ote otn oto otp ott p-p pdd pde pdn pdo pdp pdt ped pee pen peo pep pet pn- pnd pne pnn pno pnp pnt pod poe pon poo pop pot ppd ppe ppn ppo ppp ppt pt- ptd pte ptn pto ptp ptt tdd tde tdn tdo tdp tdt te- ted tee ten teo tep tet tnd tne tnn tno tnp tnt to- tod toe ton too top tot tpd tpe tpn tpo tpp tpt ttd tte ttn tto ttp ttt