A likely group of letters but sorry, Tuor, no C's.
TECHON (no C)
"The- / h-- / -e--n / to / -o--et: / -o--et / the-- / o-n / -e--nn-n-s / -n- / -e-en-s, /
-o--et / -h-t / --tt-e / the- / h-- / -no-n / --o-t / the / --e--ness / o- / the / -o---. /
-t / --s / not / -et / -one, / --t / -t / --s / --tt-n- / ----e-: / the / -e-o-- / o- / the /
h--h / -n- / the / -e---o-s."
Would a hint help? Like, it's from
Unfinished Tales?