[The response isn't immediate, but after the last one, he knows what to expect. Goes through the first word with old Vigenère keys until something works. He's not surprised when it does, just angry.]
NK'A SAOD R UEGWJI WJ GLRV CRGLQ Z NMAG BYMVR BTL'ZI ULIZVK
text; "friend"
NK'A SAOD R UEGWJI WJ GLRV CRGLQ Z NMAG BYMVR BTL'ZI ULIZVK