riyal iryal ryial yrial iyral yiral riayl irayl raiyl ariyl iaryl airyl ryail yrail rayil aryil yaril ayril iyarl yiarl iayrl aiyrl yairl ayirl riyla iryla ryila yrila iyrla yirla rilya irlya rliya lriya ilrya lirya rylia yrlia rlyia lryia ylria lyria iylra yilra ilyra liyra ylira lyira rialy iraly raily arily iarly airly rilay irlay rliay lriay ilray liray raliy arliy rlaiy lraiy alriy lariy ialry ailry ilary liary aliry lairy ryali yrali rayli aryli yarli ayrli rylai yrlai rlyai lryai ylrai lyrai ralyi arlyi rlayi lrayi alryi laryi yalri aylri ylari lyari alyri layri iyalr yialr iaylr aiylr yailr ayilr iylar yilar ilyar liyar yliar lyiar ialyr ailyr ilayr liayr aliyr laiyr yalir aylir ylair lyair alyir layir
Note: these 'words' (valid or invalid) are all the permutations of the word riyal. These words are obtained by scrambling the letters in riyal.