“TOUGHY” is a valid word. — 13 points Scrabble

toughsomeone who learned to fight in the streets rather than being formally trained in the sport of boxing
ought
youtha young person (especially a young man or boy)
goutysuffering from gout
guyota seamount of volcanic origin (especially in the Pacific Ocean)

thouthe cardinal number that is the product of 10 and 100
thugan aggressive and violent young criminal
goth
gouta painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints
yogh

you
out(baseball) a failure by a batter or runner to reach a base safely in baseball
gotcome into the possession of something concrete or abstract
guyan informal term for a youth or man
hotused of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning
ugh
thy
huga tight or amorous embrace
toyan artifact designed to be played with
gutthe part of the alimentary canal between the stomach and the anus
huttemporary military shelter
hoga person regarded as greedy and pig-like
tuga sudden abrupt pull
hoya flatbottom boat for carrying heavy loads (especially on canals)
thoa branch of the Tai languages
goya Christian as contrasted with a Jew
togprovide with clothes or put clothes on

to
goa time for working (after which you will be relieved by someone else)
oha midwestern state in north central United States in the Great Lakes region
uh
yo
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
oy
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

TOUGHY