loast olast laost alost oalst aolst losat olsat lsoat sloat oslat solat lasot alsot lsaot slaot aslot salot oaslt aoslt osalt soalt asolt saolt loats olats laots alots oalts aolts lotas oltas ltoas tloas otlas tolas latos altos ltaos tlaos atlos talos oatls aotls otals toals atols taols losta olsta lsota slota oslta solta lotsa oltsa ltosa tlosa otlsa tolsa lstoa sltoa ltsoa tlsoa stloa tsloa ostla sotla otsla tosla stola tsola lasto alsto lsato slato aslto salto latso altso ltaso tlaso atlso talso lstao sltao ltsao tlsao stlao tslao astlo satlo atslo taslo stalo tsalo oastl aostl osatl soatl asotl saotl oatsl aotsl otasl toasl atosl taosl ostal sotal otsal tosal stoal tsoal astol satol atsol tasol staol tsaol
Note: these 'words' (valid or invalid) are all the permutations of the word loast. These words are obtained by scrambling the letters in loast.