-up a-a aaa aae aao aap aas aau aax aea aee aeo aep aes aeu aex aoa aoe aoo aop aos aou aox ap- apa ape apo app aps apu apx as- asa ase aso asp ass asu asx au- aua aue auo aup aus aux ax- axa axe axo axp axs axx eaa eae eao eap eas eau eax eea eee eeo eep ees eex eo- eoa eoe eoo eop eos eou ep- epa epe epo epp eps epu epx es- esa ese eso esp ess esu esx eu- eua eue eup eus eux ex- exa exe exo exp exs exu exx oaa oae oao oap oas oau oax oea oee oeo oep oes oex oo- ooa ooo oop oos oox op- opa ope opo opp ops opx os- osa ose oso osp oss osu osx ou- oua oue ouo oup ous ox- oxa oxo oxx p-p paa pae pao pap pas pau pax pea pee peo pep pes peu pex poa poe poo pop pos pou pox ppa ppe ppo ppp pps ppu ppx ps- psa pse pso psp pss psu psx pua pue pup pus puu pxe pxs saa sae sao sap sas sau sax se- sea see seo sep ses seu sex soa soe soo sop sos sou sox spa spe spo spp sps spu spx ss- ssa sse sso ssp sss ssu ssx sua sue suo sup sus suu sux sxs sxu ua- uaa uae uao uap uas uau uea uee uep ues uoa uoe uoo uop uos uox up- upa upe upo upp ups upu upx usa use uso usp uss usu usx uua uue uus uuu uxo uxu xaa xap xas xau xee xep xes xeu xex xoa xoo xop xos xox xpa xpe xpo xpp xps xsa xsp xss xue xup xus xxo xxp xxx