a-a a-c aaa aac aap aas aaw aax aay ac- aca acc acp acs acw acx acy ap- apa apc app aps apw apx apy as- asa asc asp ass asw asx asy aw- awa awc awp aws aww awy ax- axa axp axs axx ay- aya ayc ayp ays ayw ayx c-- caa cac cap cas caw cax cay cca ccc ccp ccs ccw ccx cpa cpc cpp cps cpw cpx csa csc csp css csw csx csy cw- cwa cwc cwp cws cxc cxp cxs cxx cya cyc cyp cys cyw p-p paa pac pap pas paw pax pay pca pcc pcp pcs pcw pcx ppa ppc ppp pps ppw ppx ps- psa psc psp pss psw psx psy pwa pwc pwp pws pxc pxs py- pya pyc pys pyx saa sac sap sas saw sax say sca scc scp scs scw scx spa spc spp sps spw spx spy ss- ssa ssc ssp sss ssw ssx swa swc swp sws swy sxc sxs sy- sya syc syp sys syx waa wac wap was waw wax way wca wcc wcp wcs wcw wcx wpa wpc wpp wps wpx wpy wsa wsc wsp wss wsw wsx wwa wwc wwp www wxc wxp wxw wxy wy- wya wyc wyp wys xaa xac xap xas xcp xcx xpa xpc xpp xps xpw xsa xsc xsp xss xwa xwp xxp xxx xxy xyp xyy yaa yac yap yas yaw yax yay yca ycc ycp ycs ycw ycy ypa yps ysa ysc ysp yss ysy ywc yxa yxy yyc yys yyy