2 Syllables: SU
bidden, bidding, billing, blinking, breeches, bridges, bridging, brimming, bringing, bristling, cheering, chilling, chipping, christening, clearing, clicking, clinging, clipping, cringing, crippling, differing, digging, dipping, dishes, ditches, drilling, drinking, dripping, dwindling, earrings, fearing, filling, fishes, fishing, fitting, flinching, flinging, flitting, gearing, getting, Gibbons, giggling, given, giving, glistening, Griffin, Griffith, grinning, gripping, Higgins, hinting, hisses, hissing, hitting, image, imprint, inkling, instinct, itching, kicking, killing, kindling, Kipling, kisses, kissing, knitting, licking, limping, lingering, linking, liquids, listening, listing, living, middling, Mifflin, milling, mincing, mingling, misses, missing, missive, Mrs, nearing, nibbling, niches, picking, pigeon, pillage, pinching, pinning, pitches, pitching, pitting, pricking, printing, quitting, rearing, riches, ridding, ridges, rigging, ringing, ripping, rippling, risking, scribbling, shearing, shilling, shipping, shrinking, siblings, singing, sinking, sinning, sipping, sitting, skimming, skipping, slipping, smiting, sneering, sniffing, spilling, spinning, spitting, splitting, springing, sprinkling, squinting, steering, sticking, stinging, stinking, stitches, stitching, stringing, stripling, stripping, swimming, swinging, switches, switching, syringe, tearing, thinking, thinning, thrilling, ticking, tilings, tilling, tingling, tinkering, tinkling, tipping, trickling, trimming, tripping, twinkling, twisting, twitching, village, Vincent, whipping, whistling, willing, winking, winning, wishes, wishing, witches, wringing, writhing
3 Syllables: USU
adhering, admitting, appearing, assisting, befitting, beginning, bewitching, committing, consisting, convincing, derisive, dismisses, dismissing, distilling, emitting, enlisting, enriches, enriching, envisage, equipping, evincing, existing, forbidding, forgiving, fulfilling, impinging, incentives, infringing, insisting, instilling, misgiving, omitting, permissive, permitting, persisting, reappearing, remitting, reprinting, resisting, rethinking, submissive, submitting, subsisting, thanksgiving, transmitting, unflinching, unthinking, unwilling, unwitting
4 Syllables: UUSU
disappearing, domineering, engineering, interfering, intermingling, persevering, pioneering, preexisting, unconvincing, unremitting, volunteering
5 Syllables: UUUSU
Found 235 words across 4 groupings. Skipped 14 excess words of a similar stem.