TELNETTED 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
54 Playable Words can be made from "TELNETTED"
   2-Letter Words (7 found)
   3-Letter Words (16 found)
   4-Letter Words (17 found)
   5-Letter Words (2 found)
   6-Letter Words (8 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)