Many of the second inflection class verbs (IC2, Ralli 2000˙ Ralli 2005) display an imperative form of the imperfective aspect in -i, instead of that in -a, with an epenthetic /j/ subsequently transformed into /ʝ/.
Ε.g. másʝi-tu kalá tu faʝí s.
mása-to kalá to faí su.
‘Chew well your food’.