-er a-a a-t aaa aae aam aar aas aat aau aax aea aee aem aer aes aet aeu aex ama ame amm amr ams amt amu amx ar- ara are arm arr ars art aru arx as- asa ase asm asr ass ast asu asx at- ata ate atm atr ats att atu atx au- aua aue aum aur aus aut aux ax- axa axe axm axr axs axt axx eaa eae eam ear eas eat eau eax eea eee eem eer ees eet eex em- ema eme emm emr ems emt emu emx era ere erm err ers ert eru es- esa ese esm esr ess est esu esx eta ete etm etr ets ett etu etx eu- eua eue eur eus eut eux ex- exa exe exr exs ext exu exx m-r maa mae mam mar mas mat mau max mea mee mem mer mes met meu mex mma mme mmm mmr mms mmt mmu mmx mra mre mrm mrr mrs mrt mru mrx msa mse msm msr mss mst msu msx mta mte mtm mtr mts mtt mtu mtx mua mue mum mur mus mut muu mux mxa mxr mxs mxu ra- raa rae ram rar ras rat rau rax re- rea ree rem rer res ret reu rex rma rme rmm rmr rms rmt rmx rra rrm rrr rrs rrt rru rsa rse rsm rsr rss rst rsu rsx rta rte rtm rtr rts rtt rtu rtx rua rue rum rur rus rut ruu rux rxr rxs saa sae sam sar sas sat sau sax se- sea see sem ser ses set seu sex sma sme smm smr sms smt smu smx sr- sra sre srm srr srs srt srx ss- ssa sse ssm ssr sss sst ssu ssx sta ste stm str sts stt stu stx sua sue sum sur sus sut suu sux sxm sxs sxt sxu t-x taa tae tam tar tas tat tau tax te- tea tee tem ter tes tet teu tex tma tme tmm tmr tms tmt tmu tmx tra tre trm trr trs trt tru trx tsa tse tsm tsr tss tst tsu tsx tta tte ttm ttr tts ttt ttu ttx tua tue tum tur tus tut tuu tux txe txs txt txu ua- uaa uae uam uar uas uat uau uea uee uem uer ues uet um- uma ume umm umr ums umt umu ur- ura ure urm urr urs urt uru urx usa use usm usr uss ust usu usx uta ute utm utr uts utt utu utx uua uue uum uur uus uut uuu uxr uxt uxu xaa xam xar xas xat xau xee xem xer xes xet xeu xex xma xmm xmr xms xmt xmu xmx xrt xrx xsa xsm xss xst xtm xtr xts xtx xue xus xxx