-er a-a a-t aaa aad aae aaf aag aar aat aau aax ad- ada add ade adf adg adr adt adu adx aea aed aee aef aeg aer aet aeu aex af- afa afd afe aff afg afr aft afu afx ag- aga agd age agf agg agr agt agu agx ar- ara ard are arf arg arr art aru arx at- ata atd ate atf atg atr att atu atx au- aua aud aue auf aug aur aut aux ax- axa axe axr axt axx daa dad dae daf dag dar dat dau dax dda ddd dde ddf ddg ddr ddt ddu ddx de- dea ded dee def deg der det deu dex dfa dfd dfe dff dfg dfr dft dfu dfx dga dgd dge dgf dgg dgr dgt dgu dra drd dre drg drr drt dru drx dta dtd dte dtf dtg dtr dtt dtu dtx dua dud due duf dug dur dut dux dxd dxr dxt dxx eaa ead eae eaf eag ear eat eau eax ed- eda edd ede edf edg edr edt edu edx eea eed eee eef eeg eer eet eex ef- efa efd efe eff efg efr eft efx ega egd ege egf egg egr egt egu egx era erd ere erf erg err ert eru eta etd ete etf etg etr ett etu etx eu- eua eud eue euf eug eur eut eux ex- exa exd exe exr ext exu exx faa fad fae faf fag far fat fau fax fda fdd fde fdf fdg fdr fdt fdu fdx fea fed fee fef feg fer fet feu fex ffa ffd ffe fff ffg ffr fft ffu ffx fga fgd fge fgf fgg fgr fgt fra frd fre frf frg frr frt fru fta ftd fte ftf ftg ftr ftt ftu ftx fua fud fue fuf fug fur fut fuu fux fxe fxg fxr fxt fxu fxx g-d gaa gad gae gaf gag gar gat gau gda gdd gde gdf gdr gdt gdu gdx ge- gea ged gee gef geg ger get geu gex gfa gfd gfe gff gfr gft gfx gga ggd ggg ggr ggt ggu gra grd gre grf grg grr grt gru grx gta gtd gte gtf gtg gtr gtt gtu gtx gu- gua gud gue guf gug gur gut guu gxa gxf gxt ra- raa rad rae raf rag rar rat rau rax rda rdd rde rdf rdg rdr rdt rdu rdx re- rea red ree ref reg rer ret reu rex rfa rfd rfe rff rfg rfr rft rfu rga rgd rge rgf rgg rgr rgt rgx rra rrd rrf rrg rrr rrt rru rta rtd rte rtf rtg rtr rtt rtu rtx rua rud rue ruf rug rur rut ruu rux rxr t-x taa tad tae taf tag tar tat tau tax tda tdd tde tdf tdg tdr tdt tdu tdx te- tea ted tee tef teg ter tet teu tex tfa tfd tfe tff tfg tfr tft tfu tfx tga tge tgf tgg tgr tgt tgu tra trd tre trf trg trr trt tru trx tta ttd tte ttf ttg ttr ttt ttu ttx tua tud tue tuf tug tur tut tuu tux txe txf txt txu ua- uaa uad uae uaf uag uar uat uau uda udd ude udf udg udr udt udu udx uea ued uee uef ueg uer uet ufa ufd ufe uff ufg ufr uft ufu ufx uga uge ugf ugg ugr ugt ugu ugx ur- ura urd ure urf urg urr urt uru urx uta utd ute utf utr utt utu utx uua uue uug uur uut uuu uxf uxr uxt uxu xaa xad xaf xag xar xat xau xda xde xdf xdr xdt xed xee xeg xer xet xeu xex xfa xfe xft xfx xge xrd xrf xrt xrx xtf xtr xtx xue xxx