Is SISSOO a valid Scrabble word?
YES — SISSOO is a valid Scrabble word 6 points
Scrabble® and Words With Friends® points for SISSOO
SISSOO is a valid Scrabble US/CAN word worth 6 points:
S1I1S1S1O1O1
SISSOO is valid in Scrabble UK (World) —
S1I1S1S1O1O1
SISSOO is not valid in Words With Friends.