The letters in PRIMARY make 56 words of two letters or more. The longest is PRIMARY at 7 letters, and the highest-scoring is PRIMARY at 14 points.
No other single word uses all 7 letters of PRIMARY. PRIMARY has 7 letters: 2 vowels and 5 consonants, worth 14 points before any board bonuses.
7-letter words 1
5-letter words 3
marry10parry10prima9
4-letter words 15
airy7amir6army9mair6miry9pair6parr6pima8pram8pray9prim8rami6ramp8rimy9yirr7
3-letter words 27
aim5air3ami5amp7arm5imp7map7mar5may8mir5pam7par5pay8pia5pry8pya8ram5rap5ray6ria3rim5rip5rya6yam8yap8yar6yip8
2-letter words 10
ai2am4ar2ay5ma4mi4my7pa4pi4ya5
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.