ddd ddi ddo dds ddt ddw di- did dii dio dis dit diw dod doi doo dos dot dow dsd dsi dso dss dst dsw dtd dti dto dts dtt dtw dwi dwo dws dwt dww i-d idd idi ido ids idt idw iid iii iio iis iit iiw io- iod ioi ioo ios iot iow is- isd isi iso iss ist isw itd iti ito its itt iwd iwi iwo iws iwt iww o-i odd odi odo ods odt oid oii oio ois oit oo- ood ooi ooo oos oot oow os- osd osi oso oss ost osw ot- otd oti oto ots ott otw owd owi owo ows owt oww sdd sdi sdo sds sdt sdw sid sii sio sis sit siw sod soi soo sos sot sow ss- ssd ssi sso sss sst ssw std sti sto sts stt stw swd swi swo sws swt tdd tdi tdo tds tdt tdw tid tii tio tis tit tiw to- tod toi too tos tot tow tsd tsi tso tss tst tsw ttd tti tto tts ttt ttw twd twi two tws twt tww wdi wds wdt wid wii wis wit wod woi woo wos wot wow wsd wsi wso wss wst wsw wtd wti wto wts wtt wtw wwd wwi wwo wwt www