“YIRRED” is a valid word. — 10 points Scrabble

ridera traveler who actively rides an animal (as a horse or camel)
dryeran appliance that removes moisture
driera substance that promotes drying (e.g., calcium oxide absorbs water and is used to remove moisture)
derry
direrfraught with extreme danger; nearly hopeless
eyrir100 aurar equal 1 krona in Iceland
redry

diea small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers
redred color or pigment; the chromatic color resembling the hue of blood
ridrelieve from
drya reformer who opposes the use of intoxicating beverages
dyea usually soluble substance for staining or coloring e.g. fabrics or hair
errto make a mistake or be incorrect
ryethe seed of the cereal grass
rei
dey
irea strong emotion; a feeling that is oriented toward some real or supposed grievance
yid(ethnic slur) offensive term for a Jew

era trivalent metallic element of the rare earth group; occurs with yttrium
dea Mid-Atlantic state; one of the original 13 colonies
edimpotence resulting from a man's inability to have or maintain an erection of his penis
rea rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
ida state in the Rocky Mountains
ye

YIRRED