-up ddd dde ddn ddo ddp ddt ddu de- ded dee den deo dep det deu dnd dne dnn dno dnp dnt dod doe don doo dop dot dou dpd dpe dpn dpo dpp dpt dpu dtd dte dtn dto dtp dtt dtu dud due dun duo dup dut ed- edd ede edn edo edp edt edu eed eee een eeo eep eet en- end ene enn eno enp ent enu eo- eod eoe eon eoo eop eot eou ep- epd epe epn epo epp ept epu etd ete etn eto etp ett etu eu- eud eue eun eup eut ndd nde ndn ndo ndp ndt ndu ne- ned nee nen neo nep net neu nne nnn nno nnp nnt nnu no- nod noe non noo nop not nou npd npe npn npo npp npt npu ntd nte ntn nto ntp ntt ntu nud nue nun nuo nup nut nuu odd ode odn odo odp odt odu oed oee oen oeo oep oet on- ond one onn ono onp ont onu oo- ood oon ooo oop oot op- opd ope opn opo opp opt ot- otd ote otn oto otp ott otu ou- oud oue oun ouo oup out p-p pdd pde pdn pdo pdp pdt pdu ped pee pen peo pep pet peu pn- pnd pne pnn pno pnp pnt pnu pod poe pon poo pop pot pou ppd ppe ppn ppo ppp ppt ppu pt- ptd pte ptn pto ptp ptt ptu pud pue pun pup put puu tdd tde tdn tdo tdp tdt tdu te- ted tee ten teo tep tet teu tnd tne tnn tno tnp tnt to- tod toe ton too top tot tou tpd tpe tpn tpo tpp tpt tpu ttd tte ttn tto ttp ttt ttu tud tue tun tuo tup tut tuu udd ude udn udo udp udt udu ued uee uen uep uet un- und une unn uno unp unt unu uod uoe uon uoo uop uot up- upd upe upn upo upp upt upu utd ute utn uto utp utt utu uue uun uut uuu