HHH Avot 1:2 1:18

As we have it Avot 1:2 has on 3 things "ho'olam OMEID"
While in 1:18 it is "ho'olam QAYYAM"
Yet, in Ben Isch Chai Year 2 Parshat T'harot [M'tzora] he has the 2 verbs reversed.

Shalom,
RRW