quipu uqipu qiupu iqupu uiqpu iuqpu qupiu uqpiu qpuiu pquiu upqiu puqiu qipuu iqpuu qpiuu pqiuu ipquu piquu uipqu iupqu upiqu puiqu ipuqu piuqu quiup uqiup qiuup iquup uiqup iuqup quuip uquip quuip uquip uuqip uuqip qiuup iquup quiup uqiup iuqup uiqup uiuqp iuuqp uuiqp uuiqp iuuqp uiuqp qupui uqpui qpuui pquui upqui puqui quupi uqupi quupi uqupi uuqpi uuqpi qpuui pquui qupui uqpui puqui upqui upuqi puuqi uupqi uupqi puuqi upuqi qipuu iqpuu qpiuu pqiuu ipquu piquu qiupu iqupu quipu uqipu iuqpu uiqpu qpuiu pquiu qupiu uqpiu puqiu upqiu ipuqu piuqu iupqu uipqu puiqu upiqu uipuq iupuq upiuq puiuq ipuuq piuuq uiupq iuupq uuipq uuipq iuupq uiupq upuiq puuiq uupiq uupiq puuiq upuiq ipuuq piuuq iupuq uipuq puiuq upiuq
Note: these 'words' (valid or invalid) are all the permutations of the word quipu. These words are obtained by scrambling the letters in quipu.