-er -up a-a a-t aaa aae aao aap aar aat aau aax aea aee aeo aep aer aet aeu aex aoa aoe aoo aop aor aot aou aox ap- apa ape apo app apr apt apu apx ar- ara are aro arp arr art aru arx at- ata ate ato atp atr att atu atx au- aua aue auo aup aur aut aux ax- axa axe axo axp axr axt axx eaa eae eao eap ear eat eau eax eea eee eeo eep eer eet eex eo- eoa eoe eoo eop eor eot eou ep- epa epe epo epp epr ept epu epx era ere ero erp err ert eru eta ete eto etp etr ett etu etx eu- eua eue eup eur eut eux ex- exa exe exo exp exr ext exu exx oaa oae oao oap oar oat oau oax oea oee oeo oep oer oet oex oo- ooa ooo oop oor oot oox op- opa ope opo opp opr opt opx or- ora ore oro orp orr ort oru orx ot- ota ote oto otp otr ott otu ou- oua oue ouo oup our out ox- oxa oxo oxt oxx p-p paa pae pao pap par pat pau pax pea pee peo pep per pet peu pex poa poe poo pop por pot pou pox ppa ppe ppo ppp ppr ppt ppu ppx pra pre pro prp prr prt pru prx pt- pta pte pto ptp ptr ptt ptu ptx pua pue pup pur put puu pxe pxr pxt ra- raa rae rao rap rar rat rau rax re- rea ree reo rep rer ret reu rex roa roe roo rop ror rot rou rox rpa rpe rpo rpp rpr rpt rpu rpx rra rrp rrr rrt rru rta rte rto rtp rtr rtt rtu rtx rua rue ruo rup rur rut ruu rux rxp rxr t-x taa tae tao tap tar tat tau tax te- tea tee teo tep ter tet teu tex to- toa toe too top tor tot tou tox tpa tpe tpo tpp tpr tpt tpu tpx tra tre tro trp trr trt tru trx tta tte tto ttp ttr ttt ttu ttx tua tue tuo tup tur tut tuu tux txe txt txu ua- uaa uae uao uap uar uat uau uea uee uep uer uet uoa uoe uoo uop uor uot uox up- upa upe upo upp upr upt upu upx ur- ura ure uro urp urr urt uru urx uta ute uto utp utr utt utu utx uua uue uur uut uuu uxo uxr uxt uxu xaa xap xar xat xau xee xep xer xet xeu xex xoa xoo xop xor xot xox xpa xpe xpo xpp xpt xrt xrx xtp xtr xtx xue xup xxo xxp xxx