mayst amyst myast ymast aymst yamst masyt amsyt msayt smayt asmyt samyt mysat ymsat msyat smyat ysmat symat aysmt yasmt asymt saymt ysamt syamt mayts amyts myats ymats aymts yamts matys amtys mtays tmays atmys tamys mytas ymtas mtyas tmyas ytmas tymas aytms yatms atyms tayms ytams tyams masty amsty msaty smaty asmty samty matsy amtsy mtasy tmasy atmsy tamsy mstay smtay mtsay tmsay stmay tsmay astmy satmy atsmy tasmy stamy tsamy mysta ymsta msyta smyta ysmta symta mytsa ymtsa mtysa tmysa ytmsa tymsa mstya smtya mtsya tmsya stmya tsmya ystma sytma ytsma tysma styma tsyma aystm yastm asytm saytm ysatm syatm aytsm yatsm atysm taysm ytasm tyasm astym satym atsym tasym staym tsaym ystam sytam ytsam tysam styam tsyam
Note: these 'words' (valid or invalid) are all the permutations of the word mayst. These words are obtained by scrambling the letters in mayst.