lotos oltos ltoos tloos otlos tolos loots olots loots olots oolts oolts ltoos tloos lotos oltos tolos otlos otols tools ootls ootls tools otols lotso oltso ltoso tloso otlso tolso losto olsto lsoto sloto oslto solto ltsoo tlsoo lstoo sltoo tsloo stloo otslo toslo ostlo sotlo tsolo stolo loost olost loost olost oolst oolst losot olsot lsoot sloot oslot solot losot olsot lsoot sloot oslot solot ooslt ooslt osolt soolt osolt soolt ltoso tloso lotso oltso tolso otlso ltsoo tlsoo lstoo sltoo tsloo stloo losto olsto lsoto sloto oslto solto toslo otslo tsolo stolo ostlo sotlo otosl toosl ootsl ootsl toosl otosl otsol tosol ostol sotol tsool stool oostl oostl osotl sootl osotl sootl tosol otsol tsool stool ostol sotol
Note: these 'words' (valid or invalid) are all the permutations of the word lotos. These words are obtained by scrambling the letters in lotos.