rynds yrnds rnyds nryds ynrds nyrds rydns yrdns rdyns dryns ydrns dyrns rndys nrdys rdnys drnys ndrys dnrys yndrs nydrs ydnrs dynrs ndyrs dnyrs rynsd yrnsd rnysd nrysd ynrsd nyrsd rysnd yrsnd rsynd srynd ysrnd syrnd rnsyd nrsyd rsnyd srnyd nsryd snryd ynsrd nysrd ysnrd synrd nsyrd snyrd rydsn yrdsn rdysn drysn ydrsn dyrsn rysdn yrsdn rsydn srydn ysrdn syrdn rdsyn drsyn rsdyn srdyn dsryn sdryn ydsrn dysrn ysdrn sydrn dsyrn sdyrn rndsy nrdsy rdnsy drnsy ndrsy dnrsy rnsdy nrsdy rsndy srndy nsrdy snrdy rdsny drsny rsdny srdny dsrny sdrny ndsry dnsry nsdry sndry dsnry sdnry yndsr nydsr ydnsr dynsr ndysr dnysr ynsdr nysdr ysndr syndr nsydr snydr ydsnr dysnr ysdnr sydnr dsynr sdynr ndsyr dnsyr nsdyr sndyr dsnyr sdnyr
Note: these 'words' (valid or invalid) are all the permutations of the word rynds. These words are obtained by scrambling the letters in rynds.