Unknot, 171 knot (7,2), 819 knot (4,3), 91 knot (9,2), 10124 knot (5,3)
Every knot is pass-equivalent to either the unknot or the trefoil; these two knots are not pass-equivalent and additionally, the right- and left-handed trefoils are pass-equivalent.
The unknot is not equivalent to the Trefoil knot since one cannot be deformed into the other through a continuous path of embeddings.