wings iwngs wnigs nwigs inwgs niwgs wigns iwgns wgins gwins igwns giwns wngis nwgis wgnis gwnis ngwis gnwis ingws nigws ignws ginws ngiws gniws winsg iwnsg wnisg nwisg inwsg niwsg wisng iwsng wsing swing iswng siwng wnsig nwsig wsnig swnig nswig snwig inswg niswg isnwg sinwg nsiwg sniwg wigsn iwgsn wgisn gwisn igwsn giwsn wisgn iwsgn wsign swign iswgn siwgn wgsin gwsin wsgin swgin gswin sgwin igswn giswn isgwn sigwn gsiwn sgiwn wngsi nwgsi wgnsi gwnsi ngwsi gnwsi wnsgi nwsgi wsngi swngi nswgi snwgi wgsni gwsni wsgni swgni gswni sgwni ngswi gnswi nsgwi sngwi gsnwi sgnwi ingsw nigsw ignsw ginsw ngisw gnisw insgw nisgw isngw singw nsigw snigw igsnw gisnw isgnw signw gsinw sginw ngsiw gnsiw nsgiw sngiw gsniw sgniw
Note: these 'words' (valid or invalid) are all the permutations of the word wings. These words are obtained by scrambling the letters in wings.