Most of the impatience is tempered with the understanding that this poor mortal is trying, and that said mortal is as worried as the familiar about Sabrina.

Salem sits besides the pieces, batting them around to get rid of the words, waiting for Marcus to return, and with some similar conclusions. His tail lashes and there's a dismissive meow.

After what is clearly nearly a minute of thinking, Salem hisses and turns back to the letters.

t-h-i-n-x e-v-i-l

e-v-i-l p-l=a=s

g-r-a-v-s