a-a aaa aae aah aao aas aax aea aee aeh aeo aes aex aha ahe ahh aho ahs ahx aoa aoe aoh aoo aos aox as- asa ase ash aso ass asx ax- axa axe axh axo axs axx eaa eae eah eao eas eax eea eee eeo ees eex eha ehe ehh eho ehs eo- eoa eoe eoh eoo eos es- esa ese esh eso ess esx ex- exa exe exh exo exs exx haa hae hah hao has hax he- hea hee heh heo hes hex hha hhe hhh hho hhs hoa hoe hoh hoo hos hox hsa hse hsh hss hsx oaa oae oah oao oas oax oea oee oeh oeo oes oex oha ohe ohh oho ohs oo- ooa ooh ooo oos oox os- osa ose osh oso oss osx ox- oxa oxo oxx saa sae sah sao sas sax se- sea see seh seo ses sex sh- sha she shh sho shs soa soe soh soo sos sox ss- ssa sse ssh sso sss ssx sxs xaa xas xee xes xex xoa xoo xos xox xsa xss xxo xxx