What comes after quadruplets?
quintuplets, then sextuplets, septuplets, octuplets, nonuplets,
decaplets, undecaplets, duodecaplets, tredecaplets,
quattrodecaplets and quindecaplets. I don't know any more!
quintuplets sextuplets septuplets octuplets nonuplets decaplets
undecaplets duodecaplets tredecaplets quattrodecaplets
quindecaplets sexdecuplets septdecuplets octdecuplets nondecuplets
icosuplets