dddd ddss ddts dshs dsst dsts dthd dtss dudd duds dudu duhs duhu dush dust duts duut hdhs hdss hdtt hhds hhhh hhhs hhus hshs hsts hths hudd huds hudu huhs huhu hush huss hust huth huts hutt hutu huus sdds sdhd sdhs sdss sdsu shhh shhs shts shud shus shut shuu ssdd sshs sssh ssss sstd ssth ssts stds sths stss sttd stud stus stut sudd sudh suds sus- susd suss sust susu sutu suus tdhs tdss thds thsd thss thts thud thus tshs tsst tsts ttss tttt tudu tuhs tuht tuhu tusd tush tuss tust tuts tutt tutu udds udsd udts uh-d uhss uhuh usds usdt ushs ushu usss usst ussu usts usus uttu uuuu