-er a-a a-t aaa aad aae aao aar aat aau aax ad- ada add ade ado adr adt adu adx aea aed aee aeo aer aet aeu aex aoa aod aoe aoo aor aot aou aox ar- ara ard are aro arr art aru arx at- ata atd ate ato atr att atu atx au- aua aud aue auo aur aut aux ax- axa axe axo axr axt axx daa dad dae dao dar dat dau dax dda ddd dde ddo ddr ddt ddu ddx de- dea ded dee deo der det deu dex doa dod doe doo dor dot dou dox dra drd dre dro drr drt dru drx dta dtd dte dto dtr dtt dtu dtx dua dud due duo dur dut dux dxd dxo dxr dxt dxx eaa ead eae eao ear eat eau eax ed- eda edd ede edo edr edt edu edx eea eed eee eeo eer eet eex eo- eoa eod eoe eoo eor eot eou era erd ere ero err ert eru eta etd ete eto etr ett etu etx eu- eua eud eue eur eut eux ex- exa exd exe exo exr ext exu exx oaa oad oae oao oar oat oau oax oda odd ode odo odr odt odu oea oed oee oeo oer oet oex oo- ooa ood ooo oor oot oox or- ora ord ore oro orr ort oru orx ot- ota otd ote oto otr ott otu ou- oua oud oue ouo our out ox- oxa oxo oxt oxx ra- raa rad rae rao rar rat rau rax rda rdd rde rdo rdr rdt rdu rdx re- rea red ree reo rer ret reu rex roa rod roe roo ror rot rou rox rra rrd rrr rrt rru rta rtd rte rto rtr rtt rtu rtx rua rud rue ruo rur rut ruu rux rxr t-x taa tad tae tao tar tat tau tax tda tdd tde tdo tdr tdt tdu tdx te- tea ted tee teo ter tet teu tex to- toa tod toe too tor tot tou tox tra trd tre tro trr trt tru trx tta ttd tte tto ttr ttt ttu ttx tua tud tue tuo tur tut tuu tux txe txt txu ua- uaa uad uae uao uar uat uau uda udd ude udo udr udt udu udx uea ued uee uer uet uoa uod uoe uoo uor uot uox ur- ura urd ure uro urr urt uru urx uta utd ute uto utr utt utu utx uua uue uur uut uuu uxo uxr uxt uxu xaa xad xar xat xau xda xde xdr xdt xed xee xer xet xeu xex xoa xod xoo xor xot xox xrd xrt xrx xtr xtx xue xxo xxx