ddd ddi ddo dds ddu di- did dii dio dis diu dod doi doo dos dou dsd dsi dso dss dsu dud dui duo dus i-d idd idi ido ids idu iid iii iio iis iiu io- iod ioi ioo ios iou is- isd isi iso iss isu iu- iud iui ius o-i odd odi odo ods odu oid oii oio ois oiu oo- ood ooi ooo oos os- osd osi oso oss osu ou- oud oui ouo ous sdd sdi sdo sds sdu sid sii sio sis siu sod soi soo sos sou ss- ssd ssi sso sss ssu sud sui suo sus suu udd udi udo uds udu uid uii uio uis uiu uod uoo uos usd usi uso uss usu uus uuu