-up ddd dde ddo ddp ddq dds ddu de- ded dee deo dep deq des deu dod doe doo dop doq dos dou dpd dpe dpo dpp dps dpu dqe dqs dsd dse dso dsp dsq dss dsu dud due duo dup dus ed- edd ede edo edp eds edu eed eee eeo eep ees eo- eod eoe eoo eop eoq eos eou ep- epd epe epo epp epq eps epu eqe eqp eqq eqs equ es- esd ese eso esp esq ess esu eu- eud eue eup eus odd ode odo odp ods odu oed oee oeo oep oes oo- ood ooo oop oos op- opd ope opo opp opq ops oqo os- osd ose oso osp osq oss osu ou- oud oue ouo oup ous p-p pdd pde pdo pdp pdq pds pdu ped pee peo pep pes peu pod poe poo pop pos pou ppd ppe ppo ppp ppq pps ppu pqq pqs ps- psd pse pso psp pss psu pud pue pup pus puu qds qed qee qeo qep qoo qop qos qpp qps qqq qqu qsd qso qsp qu- qud que quo qus sdd sde sdo sdp sdq sds sdu se- sed see seo sep seq ses seu sod soe soo sop soq sos sou spd spe spo spp spq sps spu sqd sqq sqs ss- ssd sse sso ssp ssq sss ssu sud sue suo sup suq sus suu udd ude udo udp uds udu ued uee uep ues uod uoe uoo uop uos up- upd upe upo upp ups upu usd use uso usp uss usu uue uus uuu