-up ddd dde ddn ddo ddp ddu ddx de- ded dee den deo dep deu dex dnd dne dnn dno dnp dod doe don doo dop dou dox dpd dpe dpn dpo dpp dpu dud due dun duo dup dux dxd dxn dxo dxp dxx ed- edd ede edn edo edp edu edx eed eee een eeo eep eex en- end ene enn eno enp enu eo- eod eoe eon eoo eop eou ep- epd epe epn epo epp epu epx eu- eud eue eun eup eux ex- exd exe exo exp exu exx ndd nde ndn ndo ndp ndu ne- ned nee nen neo nep neu nex nne nnn nno nnp nnu no- nod noe non noo nop nou nox npd npe npn npo npp npu nud nue nun nuo nup nuu nux nxd odd ode odn odo odp odu oed oee oen oeo oep oex on- ond one onn ono onp onu onx oo- ood oon ooo oop oox op- opd ope opn opo opp opx ou- oud oue oun ouo oup ox- oxn oxo oxx p-p pdd pde pdn pdo pdp pdu pdx ped pee pen peo pep peu pex pn- pnd pne pnn pno pnp pnu pnx pod poe pon poo pop pou pox ppd ppe ppn ppo ppp ppu ppx pud pue pun pup puu pxe udd ude udn udo udp udu udx ued uee uen uep un- und une unn uno unp unu unx uod uoe uon uoo uop uox up- upd upe upn upo upp upu upx uue uun uuu uxo uxu xde xed xee xen xep xeu xex xno xnu xod xon xoo xop xox xpd xpe xpn xpo xpp xue xun xup xxo xxp xxx