-er a-a a-i a-t aaa aae aai aao aar aas aat aau aax aea aee aei aeo aer aes aet aeu aex ai- aia aie aii aio air ais ait aiu aix aoa aoe aoi aoo aor aos aot aou aox ar- ara are ari aro arr ars art aru arx as- asa ase asi aso asr ass ast asu asx at- ata ate ati ato atr ats att atu atx au- aua aue aui auo aur aus aut aux ax- axa axe axi axo axr axs axt axx eaa eae eai eao ear eas eat eau eax eea eee eeo eer ees eet eex eia eie eii eio eir eis eit eiu eix eo- eoa eoe eoi eoo eor eos eot eou era ere eri ero err ers ert eru es- esa ese esi eso esr ess est esu esx eta ete eti eto etr ets ett etu etx eu- eua eue eui eur eus eut eux ex- exa exe exi exo exr exs ext exu exx ia- iaa iae iai iao iar ias iat iau ie- iea iee iei ier ies iet iex iia iie iii iio iir iis iit iiu iix io- ioa ioe ioi ioo ior ios iot iou ir- ira ire iri iro irr irs irt iru irx is- isa ise isi iso isr iss ist isu ita ite iti ito its itt itu itx iu- iua iue iui iur ius iut ixe ixi o-i oaa oae oai oao oar oas oat oau oax oea oee oei oeo oer oes oet oex oia oie oii oio oir ois oit oiu oo- ooa ooi ooo oor oos oot oox or- ora ore ori oro orr ors ort oru orx os- osa ose osi oso osr oss ost osu osx ot- ota ote oti oto otr ots ott otu ou- oua oue oui ouo our ous out ox- oxa oxi oxo oxt oxx ra- raa rae rai rao rar ras rat rau rax re- rea ree rei reo rer res ret reu rex ria rie rii rio rir ris rit rix roa roe roi roo ror ros rot rou rox rra rri rrr rrs rrt rru rsa rse rsi rso rsr rss rst rsu rsx rta rte rti rto rtr rts rtt rtu rtx rua rue rui ruo rur rus rut ruu rux rxr rxs saa sae sai sao sar sas sat sau sax se- sea see sei seo ser ses set seu sex sia sie sii sio sir sis sit siu six soa soe soi soo sor sos sot sou sox sr- sra sre sri sro srr srs srt srx ss- ssa sse ssi sso ssr sss sst ssu ssx sta ste sti sto str sts stt stu stx sua sue sui suo sur sus sut suu sux sxi sxs sxt sxu t-x taa tae tai tao tar tas tat tau tax te- tea tee tei teo ter tes tet teu tex tia tie tii tio tir tis tit tiu tix to- toa toe toi too tor tos tot tou tox tra tre tri tro trr trs trt tru trx tsa tse tsi tso tsr tss tst tsu tsx tta tte tti tto ttr tts ttt ttu ttx tua tue tui tuo tur tus tut tuu tux txe txi txs txt txu ua- uaa uae uai uao uar uas uat uau uea uee uei uer ues uet uia uie uii uio uir uis uit uiu uoa uoe uoo uor uos uot uox ur- ura ure uri uro urr urs urt uru urx usa use usi uso usr uss ust usu usx uta ute uti uto utr uts utt utu utx uua uue uur uus uut uuu uxo uxr uxt uxu xaa xar xas xat xau xee xer xes xet xeu xex xia xie xii xio xis xit xiu xix xoa xoi xoo xor xos xot xox xrt xrx xsa xsi xss xst xti xtr xts xtx xue xui xus xxi xxo xxx