yawns aywns ywans wyans awyns wayns yanws aynws ynaws nyaws anyws nayws ywnas wynas ynwas nywas wnyas nwyas awnys wanys anwys nawys wnays nways yawsn aywsn ywasn wyasn awysn waysn yaswn ayswn ysawn syawn asywn saywn ywsan wysan yswan sywan wsyan swyan awsyn wasyn aswyn sawyn wsayn swayn yansw aynsw ynasw nyasw anysw naysw yasnw aysnw ysanw syanw asynw saynw ynsaw nysaw ysnaw synaw nsyaw snyaw ansyw nasyw asnyw sanyw nsayw snayw ywnsa wynsa ynwsa nywsa wnysa nwysa ywsna wysna yswna sywna wsyna swyna ynswa nyswa ysnwa synwa nsywa snywa wnsya nwsya wsnya swnya nswya snwya awnsy wansy anwsy nawsy wnasy nwasy awsny wasny aswny sawny wsany swany answy naswy asnwy sanwy nsawy snawy wnsay nwsay wsnay swnay nsway snway
Note: these 'words' (valid or invalid) are all the permutations of the word yawns. These words are obtained by scrambling the letters in yawns.