The letters in PROBLEMS make 198 words of two letters or more. The longest is PROBLEMS at 8 letters, and the highest-scoring is PROBLEMS at 14 points.
No other single word uses all 8 letters of PROBLEMS. PROBLEMS has 8 letters: 2 vowels and 6 consonants, worth 14 points before any board bonuses.
8-letter words 1
7-letter words 1
6-letter words 17
bromes10lopers8mopers10morels8morsel8ombers10ombres10polers8probes10proems10proles8rebops10robles8sloper8somber10sombre10splore8
5-letter words 46
berms9besom9boles7bores7brome9brose7lobes7loper7lopes7lores5loser5merls7moles7moper9mopes9morel7mores7morse7omber9ombre9omers7orles5perms9plebs9poems9poler7poles7pomes9pores7poser7probe9proem9prole7proms9prose7rebop9repos7robes7roble7roles5romps9ropes7slope7sober7sorel5spore7
4-letter words 63
bels6berm8bole6bops8bore6bros6elms6emos6epos6eros4lobe6lobs6lope6lops6lore4lose4mels6merl6mobs8mole6mols6mope8mops8more6mors6obes6oles4omer6opes6orbs6ores4orle4perm8peso6pleb8poem8pole6pols6pome8poms8pore6pose6prom8pros6rebs6rems6repo6reps6robe6robs6roes4role4romp8roms6rope6rose4slob6sloe4slop6sole4some6sorb6sore4
3-letter words 47
bel5bop7bos5bro5elm5els3emo5ems5ers3lob5lop5mel5mes5mob7mol5mop7mor5mos5obe5oes3ole3oms5ope5ops5orb5ore3ors3ose3per5pes5poe5pol5pom7pro5reb5rem5rep5res3rob5roe3rom5sel3ser3sob5sol3som5sop5
2-letter words 23
be4bo4el2em4er2es2lm4lo2ls2mb6me4mo4ms4oe2om4op4or2os2pe4ps4re2rs2so2
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.