-up ddd dde ddi ddo ddp dds ddu de- ded dee dei deo dep des deu di- did die dii dio dip dis diu dod doe doi doo dop dos dou dpd dpe dpi dpo dpp dps dpu dsd dse dsi dso dsp 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 eos eou ep- epd epe epi epo epp eps epu es- esd ese esi eso esp ess esu eu- eud eue eui eup eus i-d idd ide idi ido idp 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 is- isd ise isi iso isp 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 ops os- osd ose osi oso osp oss osu ou- oud oue oui ouo oup ous p-p pdd pde pdi pdo pdp pds pdu ped pee pei peo pep pes peu pid pie pii pio pip pis piu pod poe poi poo pop pos pou ppd ppe ppi ppo ppp pps ppu ps- psd pse psi pso psp pss psu pud pue pui pup pus puu sdd sde sdi sdo sdp sds sdu se- sed see sei seo sep ses seu sid sie sii sio sip sis siu sod soe soi soo sop sos sou spd spe spi spo spp sps spu ss- ssd sse ssi sso ssp sss ssu sud sue sui suo sup sus suu udd ude udi udo udp uds udu ued uee uei uep ues uid uie uii uio uip 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