iftar fitar itfar tifar ftiar tfiar ifatr fiatr iaftr aiftr faitr afitr itafr tiafr iatfr aitfr taifr atifr ftair tfair fatir aftir tafir atfir iftra fitra itfra tifra ftira tfira ifrta firta irfta rifta frita rfita itrfa tirfa irtfa ritfa trifa rtifa ftria tfria frtia rftia trfia rtfia ifart fiart iafrt aifrt fairt afirt ifrat firat irfat rifat friat rfiat iarft airft iraft riaft arift raift farit afrit frait rfait arfit rafit itarf tiarf iatrf aitrf tairf atirf itraf tiraf irtaf ritaf triaf rtiaf iartf airtf iratf riatf aritf raitf tarif atrif traif rtaif artif ratif ftari tfari fatri aftri tafri atfri ftrai tfrai frtai rftai trfai rtfai farti afrti frati rfati arfti rafti tarfi atrfi trafi rtafi artfi ratfi
Note: these 'words' (valid or invalid) are all the permutations of the word iftar. These words are obtained by scrambling the letters in iftar.