-up ddd dde ddo ddp dds ddu ddx de- ded dee deo dep des deu dex dod doe doo dop dos dou dox dpd dpe dpo dpp dps dpu dsd dse dso dsp dss dsu dsx dud due duo dup dus dux dxd dxo dxp dxs dxx ed- edd ede edo edp eds edu edx eed eee eeo eep ees eex eo- eod eoe eoo eop eos eou ep- epd epe epo epp eps epu epx es- esd ese eso esp ess esu esx eu- eud eue eup eus eux ex- exd exe exo exp exs exu exx odd ode odo odp ods odu oed oee oeo oep oes oex oo- ood ooo oop oos oox op- opd ope opo opp ops opx os- osd ose oso osp oss osu osx ou- oud oue ouo oup ous ox- oxo oxx p-p pdd pde pdo pdp pds pdu pdx ped pee peo pep pes peu pex pod poe poo pop pos pou pox ppd ppe ppo ppp pps ppu ppx ps- psd pse pso psp pss psu psx pud pue pup pus puu pxe pxs sdd sde sdo sdp sds sdu se- sed see seo sep ses seu sex sod soe soo sop sos sou sox spd spe spo spp sps spu spx ss- ssd sse sso ssp sss ssu ssx sud sue suo sup sus suu sux sxs sxu udd ude udo udp uds udu udx ued uee uep ues uod uoe uoo uop uos uox up- upd upe upo upp ups upu upx usd use uso usp uss usu usx uue uus uuu uxo uxu xde xds xed xee xep xes xeu xex xod xoo xop xos xox xpd xpe xpo xpp xps xsp xss xue xup xus xxo xxp xxx