-up ddd dde ddi ddo ddp ddq dds ddu de- ded dee dei deo dep deq des deu di- did die dii dio dip diq dis diu dod doe doi doo dop doq dos dou dpd dpe dpi dpo dpp dps dpu dqe dqs dsd dse dsi dso dsp dsq dss dsu dud due dui duo dup dus ed- edd ede edi edo edp eds edu eed eee eeo eep ees eid eie eii eio eip eis eiu eo- eod eoe eoi eoo eop eoq eos eou ep- epd epe epi epo epp epq eps epu eqe eqp eqq eqs equ es- esd ese esi eso esp esq ess esu eu- eud eue eui eup eus i-d idd ide idi ido idp idq ids idu ie- ied iee iei iep ies iid iie iii iio iip iis iiu io- iod ioe ioi ioo iop ios iou ipd ipe ipi ipo ipp ips ipu iqd iqe iqs iqu is- isd ise isi iso isp isq iss isu iu- iud iue iui iup ius o-i odd ode odi odo odp ods odu oed oee oei oeo oep oes oid oie oii oio oip ois oiu oo- ood ooi ooo oop oos op- opd ope opi opo opp opq ops oqo os- osd ose osi oso osp osq oss osu ou- oud oue oui ouo oup ous p-p pdd pde pdi pdo pdp pdq pds pdu ped pee pei peo pep pes peu pid pie pii pio pip piq pis piu pod poe poi poo pop pos pou ppd ppe ppi ppo ppp ppq pps ppu pqi pqq pqs ps- psd pse psi pso psp pss psu pud pue pui pup pus puu qds qed qee qeo qep qid qie qio qip qis qiu qoi qoo qop qos qpp qps qqq qqu qsd qsi qso qsp qu- qud que qui quo qus sdd sde sdi sdo sdp sdq sds sdu se- sed see sei seo sep seq ses seu sid sie sii sio sip siq sis siu sod soe soi soo sop soq sos sou spd spe spi spo spp spq sps spu sqd sqi sqq sqs ss- ssd sse ssi sso ssp ssq sss ssu sud sue sui suo sup suq sus suu udd ude udi udo udp uds udu ued uee uei uep ues uid uie uii uio uip uiq uis uiu uod uoe uoo uop uos up- upd upe upi upo upp ups upu usd use usi uso usp uss usu uue uus uuu