yeans eyans yaens ayens eayns aeyns yenas eynas yneas nyeas enyas neyas yanes aynes ynaes nyaes anyes nayes eanys aenys enays neays aneys naeys yeasn eyasn yaesn ayesn eaysn aeysn yesan eysan ysean syean esyan seyan yasen aysen ysaen syaen asyen sayen easyn aesyn esayn seayn aseyn saeyn yensa eynsa ynesa nyesa enysa neysa yesna eysna ysena syena esyna seyna ynsea nysea ysnea synea nsyea snyea ensya nesya esnya senya nseya sneya yanse aynse ynase nyase anyse nayse yasne aysne ysane syane asyne sayne ynsae nysae ysnae synae nsyae snyae ansye nasye asnye sanye nsaye snaye eansy aensy enasy neasy anesy naesy easny aesny esany seany aseny saeny ensay nesay esnay senay nseay sneay ansey nasey asney saney nsaey snaey
Note: these 'words' (valid or invalid) are all the permutations of the word yeans. These words are obtained by scrambling the letters in yeans.