The five words in 5S represent the five steps to accomplish this goal. They are sort, set, shine, standardize and sustain. Lean bases the words on the original Japanese: seiri, seiton, seiso, seiketsu and shitsuke. In this we describe 5S Fundamentals, Discovery of 5s. Signs of Disorganization. Essentials of 5S. The 5s Principles. Advantages of 5S.