ffff ffhs ffrr ffss fftf fhfs fhhs fhrs fhss frhs frst fshs fssf fths ftrs ftsr fuff fufu fuhs fur- furr furs furt fuss fust fusu futs futu hfhs hfrs hfss hhhh hhhs hhus hrhs hsfs hshs hsts hsur hths httr huff hufs hufu huhs huhu hurr hurs hurt huru hush huss hust huth huts hutt hutu huus rfhs rhfs rhhs rhus rrhs rrrr rshs rsts rstu rths rtss rtts ruff ruft ruhh ruhr ruhs rurs ruru rush russ rust rusu ruth ruts rutt rutu sfhs sfss sfsu sfts shft shhh shhs shrs shts shuf shur shus shut shuu srhs srtr sshs ssrs sssf sssh ssss ssth ssts stfu sths strs stru stsf stss sttr stuf stur stus stut suf- suff sufr sufs sufu suhr sur- surf surr surs surt suru sus- suss sust susu sutu suus tfrs tfss thru thsr thss thtr thts thur thus trfr trhs trst trtr trus trut truu tshs tssf tssr tsst tsts ttff ttss tttt tuff tuft tufu tuhs tuht tuhu turf turr turs turt turu tush tuss tust tuts tutt tutu uhrs uhss uhuh urff urft urrh urss ursu urth urts urur urus urut usfs ushr ushs ushu ussf ussr usss usst ussu usts usus uttu uutf uuuu