Letter on position 1 (k) changed: 15 words aits bits cits dits fits gits hits lits nits pits rits sits tits wits zits Letter on position 2 (i) changed: 2 words kats kets Letter on position 3 (t) changed: 6 words kids kifs kins kips kirs kiss Letter on position 4 (s) changed: 2 words kite kith