CATALYSING

aa ag ai al an as at ay in is it la li na si ta ti ya

aal aas act aga ags ail ain ais ait ala als alt ana ani ant any ays can cat cay cig cis gal gan gas gat gay gin git icy ins its lac lag las lat lay lin lis lit nag nay nil nit sac sag sal sat say sic sin sit sly sty syn tag tan tas tic til tin tis yag yin

aals acta acts acyl agas agin agly ails ains aits alan alas alga alit alts anal anas anga anil anis ansa anta anti ants asci ayin cagy cain cans cant casa cast cats cays cigs cist city clag clan clay cyan cyst gain gait gala gals gast gats gays gilt gins gist gits glia gnat inly lacs lacy lags laic lain lang last lati lats lays ling lins lint liny list lits nags nail nala nays nils nits saga sagy sail sain salt sang sati scag scan scat sial sign silt sing slag slat slay slit snag snit stag stay syli sync tags tail tain tala talc tali tang tans tics tils ting tins tiny tyin yagi yags yang yins