Review X & .Typing PracticeCourseTouch Typing PracticeUnitBottom RowTargetStrengthen Below with the Bottom Row Contentls x.ls. xs.lx .xs lx.sl x.sls x. lx ls. s.xl .sxls .lxlx s.x .lsxl .s .xsl s.x lxsl .xs.l .x sl. xslxl .sl.x s. sxl. slx. lx s Start Practice Prev: Learn X & . Next: Practice X & .