ddd ddi ddo ddq dds di- did dii dio diq dis dod doi doo doq dos dqs dsd dsi dso dsq dss i-d idd idi ido idq ids iid iii iio iis io- iod ioi ioo ios iqd iqs is- isd isi iso isq iss o-i odd odi odo ods oid oii oio ois oo- ood ooi ooo oos oqo os- osd osi oso osq oss qds qid qio qis qoi qoo qos qqq qsd qsi qso sdd sdi sdo sdq sds sid sii sio siq sis sod soi soo soq sos sqd sqi sqq sqs ss- ssd ssi sso ssq sss