TELNETS is a playable word

telnet Scrabble® Dictionary

verb
telnetted, telnetting, telnets or telneted, telneting, telnets
to access an account over the Internet using an appropriate procedure
72 Playable Words can be made from "TELNETS"
   2-Letter Words (6 found)
   3-Letter Words (17 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)