-up ddd dde ddn ddo ddp dds ddu de- ded dee den deo dep des deu dnd dne dnn dno dnp dns dod doe don doo dop dos dou dpd dpe dpn dpo dpp dps dpu dsd dse dsn dso dsp dss dsu dud due dun duo dup dus ed- edd ede edn edo edp eds edu eed eee een eeo eep ees en- end ene enn eno enp ens enu eo- eod eoe eon eoo eop eos eou ep- epd epe epn epo epp eps epu es- esd ese esn eso esp ess esu eu- eud eue eun eup eus ndd nde ndn ndo ndp nds ndu ne- ned nee nen neo nep nes neu nne nnn nno nnp nns nnu no- nod noe non noo nop nos nou npd npe npn npo npp nps npu nsd nse nsn nso nsp nss nsu nud nue nun nuo nup nus nuu odd ode odn odo odp ods odu oed oee oen oeo oep oes on- ond one onn ono onp ons onu oo- ood oon ooo oop oos op- opd ope opn opo opp ops os- osd ose osn oso osp oss osu ou- oud oue oun ouo oup ous p-p pdd pde pdn pdo pdp pds pdu ped pee pen peo pep pes peu pn- pnd pne pnn pno pnp pns pnu pod poe pon poo pop pos pou ppd ppe ppn ppo ppp pps ppu ps- psd pse psn pso psp pss psu pud pue pun pup pus puu sdd sde sdn sdo sdp sds sdu se- sed see sen seo sep ses seu snd sne snn sno snp sns snu sod soe son soo sop sos sou spd spe spn spo spp sps spu ss- ssd sse ssn sso ssp sss ssu sud sue sun suo sup sus suu udd ude udn udo udp uds udu ued uee uen uep ues un- und une unn uno unp uns unu uod uoe uon uoo uop uos up- upd upe upn upo upp ups upu usd use usn uso usp uss usu uue uun uus uuu