<span class="searchmatch">improviseringarnas</span> definite genitive plural of improvisering...
<span class="searchmatch">improviseringarna</span> definite plural of improvisering...
improviserings definite improviseringen improviseringens plural indefinite improviseringar improviseringars definite <span class="searchmatch">improviseringarna</span> <span class="searchmatch">improviseringarnas</span>...