func (w *SnowballWord) HasSuffixRunes(suffixRunes []rune) bool {
	return w.HasSuffixRunesIn(0, len(w.RS), suffixRunes)
}
func (w *SnowballWord) HasSuffixRunes(suffixRunes []rune) bool {
	return w.HasSuffixRunesIn(0, len(w.RS), suffixRunes)
}
// Return true if `w` ends with `suffixRunes`
//