Unscramble PREFDNS into words.

spend estimated tile points: 8 snerp estimated tile points: 7

fend estimated tile points: 8 fred estimated tile points: 8 fern estimated tile points: 7 pend estimated tile points: 7 serf estimated tile points: 7 sped estimated tile points: 7 pern estimated tile points: 6 reps estimated tile points: 6 resp estimated tile points: 6 dern estimated tile points: 5 rend estimated tile points: 5 send estimated tile points: 5 sned estimated tile points: 5

fed estimated tile points: 7 fen estimated tile points: 6 nef estimated tile points: 6 ped estimated tile points: 6 ref estimated tile points: 6 nep estimated tile points: 5 pen estimated tile points: 5 per estimated tile points: 5 pes estimated tile points: 5 rep estimated tile points: 5 den estimated tile points: 4 end estimated tile points: 4 erd estimated tile points: 4 ned estimated tile points: 4 red estimated tile points: 4 ens estimated tile points: 3 ers estimated tile points: 3 sen estimated tile points: 3 ser estimated tile points: 3