ulnas lunas unlas nulas lnuas nluas ulans luans ualns aulns launs aluns unals nuals uanls aunls nauls anuls lnaus nlaus lanus alnus nalus anlus ulnsa lunsa unlsa nulsa lnusa nlusa ulsna lusna uslna sulna lsuna sluna unsla nusla usnla sunla nsula snula lnsua nlsua lsnua slnua nslua snlua ulasn luasn ualsn aulsn lausn alusn ulsan lusan uslan sulan lsuan sluan uasln ausln usaln sualn asuln sauln lasun alsun lsaun slaun aslun salun unasl nuasl uansl aunsl nausl anusl unsal nusal usnal sunal nsual snual uasnl ausnl usanl suanl asunl saunl nasul ansul nsaul snaul asnul sanul lnasu nlasu lansu alnsu nalsu anlsu lnsau nlsau lsnau slnau nslau snlau lasnu alsnu lsanu slanu aslnu salnu naslu anslu nsalu snalu asnlu sanlu
Note: these 'words' (valid or invalid) are all the permutations of the word ulnas. These words are obtained by scrambling the letters in ulnas.