a-a a-c aaa aac aas aaw aay ac- aca acc acs acw acy as- asa asc ass asw asy aw- awa awc aws aww awy ay- aya ayc ays ayw c-- caa cac cas caw cay cca ccc ccs ccw csa csc css csw csy cw- cwa cwc cws cya cyc cys cyw saa sac sas saw say sca scc scs scw ss- ssa ssc sss ssw swa swc sws swy sy- sya syc sys waa wac was waw way wca wcc wcs wcw wsa wsc wss wsw wwa wwc www wy- wya wyc wys yaa yac yas yaw yay yca ycc ycs ycw ycy ysa ysc yss ysy ywc yyc yys yyy