churr hcurr cuhrr uchrr hucrr uhcrr chrur hcrur crhur rchur hrcur rhcur curhr ucrhr cruhr rcuhr urchr ruchr hurcr uhrcr hrucr rhucr urhcr ruhcr churr hcurr cuhrr uchrr hucrr uhcrr chrur hcrur crhur rchur hrcur rhcur curhr ucrhr cruhr rcuhr urchr ruchr hurcr uhrcr hrucr rhucr urhcr ruhcr chrru hcrru crhru rchru hrcru rhcru chrru hcrru crhru rchru hrcru rhcru crrhu rcrhu crrhu rcrhu rrchu rrchu hrrcu rhrcu hrrcu rhrcu rrhcu rrhcu currh ucrrh crurh rcurh urcrh rucrh currh ucrrh crurh rcurh urcrh rucrh crruh rcruh crruh rcruh rrcuh rrcuh urrch rurch urrch rurch rruch rruch hurrc uhrrc hrurc rhurc urhrc ruhrc hurrc uhrrc hrurc rhurc urhrc ruhrc hrruc rhruc hrruc rhruc rrhuc rrhuc urrhc rurhc urrhc rurhc rruhc rruhc
Note: these 'words' (valid or invalid) are all the permutations of the word churr. These words are obtained by scrambling the letters in churr.