YESTERDAY’S SOLUTION:
alps lips lisp pail pails pair part parts past pita pitas pits plait plats plus prat purl purls puts raps rapt rasp slap slip slurp spar spat spilt SPIRITUAL spirt spit splat split sprat sprit spur spurt puta strap strip stupa supra tapir taps tarp tarps tipi tipis tips trap traps trip trips tulip turps