quena uqena qeuna equna ueqna euqna qunea uqnea qnuea nquea unqea nuqea qenua eqnua qneua nqeua enqua nequa uenqa eunqa uneqa nueqa enuqa neuqa quean uqean qeuan equan ueqan euqan quaen uqaen qauen aquen uaqen auqen qeaun eqaun qaeun aqeun eaqun aequn ueaqn euaqn uaeqn aueqn eauqn aeuqn qunae uqnae qnuae nquae unqae nuqae quane uqane qaune aqune uaqne auqne qnaue nqaue qanue aqnue naque anque unaqe nuaqe uanqe aunqe nauqe anuqe qenau eqnau qneau nqeau enqau neqau qeanu eqanu qaenu aqenu eaqnu aeqnu qnaeu nqaeu qaneu aqneu naqeu anqeu enaqu neaqu eanqu aenqu naequ anequ uenaq eunaq uneaq nueaq enuaq neuaq ueanq euanq uaenq auenq eaunq aeunq unaeq nuaeq uaneq auneq naueq anueq enauq neauq eanuq aenuq naeuq aneuq
Note: these 'words' (valid or invalid) are all the permutations of the word quena. These words are obtained by scrambling the letters in quena.