f--king figging figling filfili filking fill-in filling finikin finking finniff finning fluking fuffing fugging fuguing fulfill fuligin fulking fulling funking funning gigging gilling gingili ginging ginning glinnik guffing gugging guiling guk-guk gulfing gulling gunging gunning igiugig illulik in-fill inguin- inkling kif-kif kiffing kiiking kikkuli killing killini kilning kinging kingini kinking kinniku kinning klining kluning kniffin knifing kuligin kullung kulning kulullu kung-fu kungflu kunning kunukku li-ning ligging liguli- lingui- linking linning luffing lugging lulling lungful lunging lungung nginiig nifling nigging nilling nu-funk nuffink nuk-luk nulling nun-gig nunguni nunning unflung uniikki unilink