13 possible answers to
Answers with 3 characters: DIM SAD Answers with 4 characters: EBON EVIL INKY Answers with 5 characters: DUSKY UNLIT Answers with 6 characters: NOTLIT Answers with 7 characters: SHADOWY SUNLESS Answers with 8 characters: SINISTER Answers with 9 characters: CHEERLESS Answers with 15 characters: ALVINOFBASEBALL