dddd ddot ddss ddts dhod dod- dodd dodo dods dohs dood doos doot dosh doso doss dost dotd doth doto dots dott dshs dsos dsst dsto dsts dthd dtot dtss hdhs hdod hdos hdss hdtt hhds hhhh hhhs hodh hods hoho hood hoos hoot hosh hoss host hotd hoth hoto hots hott hshs hsts hths htoh oddd odds odoh odoo odos odot odso odts ohho ohhs ohoh ohos ohso ohss ohto ooho oohs oooh oooo ooos oost oots osho oshs osoo osos ossd osso osts otho oths oto- otoh otoo otos otso otto otts s-os sdds sdhd sdhs sdot sdss shhh shhs shod shoo shos shot shts sodd sodo sods sohh soho sohs sood soos soot sosh soso soss sost soth soto sots ssdd sshs ssot sssh ssss sstd ssth ssts stds sths stod stoo stos stot stss sttd tdhs tdss thds thoo thos thot thsd thss thts todd todo tods todt toho tood tooh toos toot tosh toso toss tost totd toth toto tots tott tshs tsos tsst tsts ttss tttt