tulip utlip tluip ltuip ultip lutip tuilp utilp tiulp itulp uitlp iutlp tliup ltiup tilup itlup litup iltup ulitp luitp uiltp iultp liutp ilutp tulpi utlpi tlupi ltupi ultpi lutpi tupli utpli tpuli ptuli uptli putli tlpui ltpui tplui ptlui lptui pltui ulpti lupti uplti pulti lputi pluti tuipl utipl tiupl itupl uitpl iutpl tupil utpil tpuil ptuil uptil putil tipul itpul tpiul ptiul iptul pitul uiptl iuptl upitl puitl iputl piutl tlipu ltipu tilpu itlpu litpu iltpu tlpiu ltpiu tpliu ptliu lptiu pltiu tiplu itplu tpilu ptilu iptlu pitlu liptu ilptu lpitu plitu ipltu piltu ulipt luipt uilpt iulpt liupt ilupt ulpit lupit uplit pulit lpuit pluit uiplt iuplt upilt puilt ipult piult liput ilput lpiut pliut iplut pilut
Note: these 'words' (valid or invalid) are all the permutations of the word tulip. These words are obtained by scrambling the letters in tulip.