curat ucrat cruat rcuat urcat rucat cuart ucart caurt acurt uacrt aucrt craut rcaut carut acrut racut arcut uract ruact uarct aurct rauct aruct curta ucrta cruta rcuta urcta ructa cutra uctra ctura tcura utcra tucra crtua rctua ctrua tcrua rtcua trcua urtca rutca utrca turca rtuca truca cuatr ucatr cautr acutr uactr auctr cutar uctar ctuar tcuar utcar tucar catur actur ctaur tcaur atcur tacur uatcr autcr utacr tuacr atucr taucr cratu rcatu cartu acrtu ractu arctu crtau rctau ctrau tcrau rtcau trcau catru actru ctaru tcaru atcru tacru ratcu artcu rtacu tracu atrcu tarcu uratc ruatc uartc aurtc rautc arutc urtac rutac utrac turac rtuac truac uatrc autrc utarc tuarc aturc taurc ratuc artuc rtauc trauc atruc taruc
Note: these 'words' (valid or invalid) are all the permutations of the word curat. These words are obtained by scrambling the letters in curat.