double couple purple bubble bundle huddle hustle muzzle shuffle simple trouble fumble grumble jumble little puddle puzzle rumble sample treble buckle circle cradle crumble cycle fiddle gamble gentle humble mobile muffle people rifle ruffle scramble stumble tackle title trifle triple whistle babble bridle bustle capsule castle chuckle dribble hurdle idle middle muscle scruple spindle struggle subtle table tickle battle bottle brittle equal example jingle journal juggle jungle level metal mingle model noble noodle paddle parcel pickle principle rattle rustle schedule sensible special sprinkle stable variable wrinkle angle article bristle bugle cordial crumple cuddle devil ensemble fable feeble final formal grapple