-ey a-a aaa aae aap aas aax aay aea aee aep aes aex aey ap- apa ape app aps apx apy as- asa ase asp ass asx asy ax- axa axe axp axs axx ay- aya aye ayp ays ayx eaa eae eap eas eax eea eee eep ees eex eey ep- epa epe epp eps epx es- esa ese esp ess esx esy ex- exa exe exp exs exx exy eya eye eyp eys p-p paa pae pap pas pax pay pea pee pep pes pex pey ppa ppe ppp pps ppx ps- psa pse psp pss psx psy pxe pxs py- pya pye pys pyx saa sae sap sas sax say se- sea see sep ses sex sey spa spe spp sps spx spy ss- ssa sse ssp sss ssx sxs sy- sya sye syp sys syx xaa xap xas xee xep xes xex xpa xpe xpp xps xsa xsp xss xxp xxx xxy xyp xyy yaa yae yap yas yax yay yea yee yep yes yex yey ypa yps ysa yse ysp yss ysy yxa yxe yxy yye yys yyy