-up ddd ddi ddo ddp dds ddu ddy di- did dii dio dip dis diu diy dod doi doo dop dos dou doy dpd dpi dpo dpp dps dpu dsd dsi dso dsp dss dsu dsy dud dui duo dup dus duy dy- dyd dyo dyp dys dyu dyy i-d idd idi ido idp ids idu idy iid iii iio iip iis iiu io- iod ioi ioo iop ios iou ipd ipi ipo ipp ips ipu ipy is- isd isi iso isp iss isu isy iu- iud iui iup ius iyo iys iyy o-i odd odi odo odp ods odu oid oii oio oip ois oiu oo- ood ooi ooo oop oos op- opd opi opo opp ops opy os- osd osi oso osp oss osu ou- oud oui ouo oup ous oyd oyi oyo oys p-p pdd pdi pdo pdp pds pdu pid pii pio pip pis piu pod poi poo pop pos pou poy ppd ppi ppo ppp pps ppu ps- psd psi pso psp pss psu psy pud pui pup pus puu puy py- pyd pyo pys pyu sdd sdi sdo sdp sds sdu sdy sid sii sio sip sis siu sod soi soo sop sos sou soy spd spi spo spp sps spu spy ss- ssd ssi sso ssp sss ssu sud sui suo sup sus suu suy sy- syd syi syp sys syu udd udi udo udp uds udu uid uii uio uip uis uiu uod uoo uop uos up- upd upi upo upp ups upu usd usi uso usp uss usu uus uuu uyi uyo uys uyu ydo yds ydy yid yii yio yip yis yod yoi yoo yop yos you yoy ypd ypo yps ypu ysi yso ysp yss ysu ysy yud yui yuo yup yus yuu yuy yys yyu yyy