rotal ortal rtoal troal otral toral roatl oratl raotl arotl oartl aortl rtaol traol ratol artol tarol atrol otarl toarl oatrl aotrl taorl atorl rotla ortla rtola trola otrla torla rolta orlta rlota lrota olrta lorta rtloa trloa rltoa lrtoa tlroa ltroa otlra tolra oltra lotra tlora ltora roalt oralt raolt arolt oarlt aorlt rolat orlat rloat lroat olrat lorat ralot arlot rlaot lraot alrot larot oalrt aolrt olart loart alort laort rtalo tralo ratlo artlo tarlo atrlo rtlao trlao rltao lrtao tlrao ltrao ralto arlto rlato lrato alrto larto talro atlro tlaro ltaro altro latro otalr toalr oatlr aotlr taolr atolr otlar tolar oltar lotar tloar ltoar oaltr aoltr olatr loatr alotr laotr talor atlor tlaor ltaor altor lator
Note: these 'words' (valid or invalid) are all the permutations of the word rotal. These words are obtained by scrambling the letters in rotal.