-er a-a a-t aaa aae aao aar aat aau aax aea aee aeo aer aet aeu aex aoa aoe aoo aor aot aou aox ar- ara are aro arr art aru arx at- ata ate ato atr att atu atx au- aua aue auo aur aut aux ax- axa axe axo axr axt axx eaa eae eao ear eat eau eax eea eee eeo eer eet eex eo- eoa eoe eoo eor eot eou era ere ero err ert eru eta ete eto etr ett etu etx eu- eua eue eur eut eux ex- exa exe exo exr ext exu exx oaa oae oao oar oat oau oax oea oee oeo oer oet oex oo- ooa ooo oor oot oox or- ora ore oro orr ort oru orx ot- ota ote oto otr ott otu ou- oua oue ouo our out ox- oxa oxo oxt oxx ra- raa rae rao rar rat rau rax re- rea ree reo rer ret reu rex roa roe roo ror rot rou rox rra rrr rrt rru rta rte rto rtr rtt rtu rtx rua rue ruo rur rut ruu rux rxr t-x taa tae tao tar tat tau tax te- tea tee teo ter tet teu tex to- toa toe too tor tot tou tox tra tre tro trr trt tru trx tta tte tto ttr ttt ttu ttx tua tue tuo tur tut tuu tux txe txt txu ua- uaa uae uao uar uat uau uea uee uer uet uoa uoe uoo uor uot uox ur- ura ure uro urr urt uru urx uta ute uto utr utt utu utx uua uue uur uut uuu uxo uxr uxt uxu xaa xar xat xau xee xer xet xeu xex xoa xoo xor xot xox xrt xrx xtr xtx xue xxo xxx