Всего нужно образовать 35 слов. по 5 слов к каждому префиксу. префиксы: un-, in-, il-, im-, ir-, dis-, mis-.

UN-

unknown

unusual

unreal

unappetizing

unacceptable

IN-

incorrect

indirect

inactive

inactivity

indissolvable

IL- 

illiterate

illegible

illogical

illiberal

illegal

IM-

implausible

improper

immobile

impossible 

immature

IR-

irresponsible

irregular

irrational

irreligious

irrelevant

DIS-

disagree

discomfort

disable

disconnect

dislike

MIS-

misfaith 

misevaluate 

misdempt 

miscorrect 

miscook