U1N1K5N1O1W4A1B3L1E1
19 points
UNKNOWABLE is validvalid
something that cannot be known [n UNKNOWABLES]
that cannot be known [adj UNKNOWABLY] / something that cannot be known [n -S]
something that cannot be known [n UNKNOWABLES]
that cannot be known [adj UNKNOWABLY] / something that cannot be known [n -S]