ÿçûêè, õàðàêòåðèçóþùèåñÿ ñëîâîèçìåíåíèåì ïîñðåäñòâîìôëåêñèè, êîòîðàÿ ìîæåò âûðàæàòü íåñêîëüêî êàòåãîðèàëüíûõ ôîðì.