SYNTACTIALLY

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

aal aas act ail ain ais ait ala all als alt ana ani ant any att ays can cat cay cis icy ill ins its lac las lat lay lin lis lit nay nil nit sac sal sat say sic sin sit sly sty syn tan tas tat tic til tin tis tit yay yin

aals acta acts acyl ails ains aits alan alas alit alls ally alts anal anas anil anis ansa anta anti ants asci ayin cain call cans cant casa cast cats cays cist city clan clay cyan cyst ills illy inly lacs lacy laic lain last lati lats lays lilt lily lins lint liny list lits nail nala nays nill nils nits sail sain sall salt sati scan scat sial sill silt slat slay slit snit stat stay syli sync tact tail tain tala talc tali tall tans tats tics till tils tilt tins tint tiny tits tyin yays yill yins