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

laidset down according to a plan:"a carefully laid table with places set for four people"
failfail to do something; leave something undone
dialthe face of a timepiece; graduated to show the hours
dualconsisting of or involving two parts or components usually in pairs
aulda Scottish word
laudpraise, glorify, or honor
filaa threadlike structure (as a chainlike series of cells)
alif

if
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
ida state in the Rocky Mountains
ada public promotion of some product or service
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
fathe syllable naming the fourth (subdominant) note of the diatonic scale in solmization

AIDFUL