-er a-a a-i a-t aaa aad aae aai aar aat aau aax ad- ada add ade adi adr adt adu adx aea aed aee aei aer aet aeu aex ai- aia aid aie aii air ait aiu aix ar- ara ard are ari arr art aru arx at- ata atd ate ati atr att atu atx au- aua aud aue aui aur aut aux ax- axa axe axi axr axt axx daa dad dae dai dar dat dau dax dda ddd dde ddi ddr ddt ddu ddx de- dea ded dee dei der det deu dex di- dia did die dii dir dit diu dix dra drd dre dri drr drt dru drx dta dtd dte dti dtr dtt dtu dtx dua dud due dui dur dut dux dxd dxi dxr dxt dxx eaa ead eae eai ear eat eau eax ed- eda edd ede edi edr edt edu edx eea eed eee eer eet eex eia eid eie eii eir eit eiu eix era erd ere eri err ert eru eta etd ete eti etr ett etu etx eu- eua eud eue eui eur eut eux ex- exa exd exe exi exr ext exu exx i-d ia- iaa iad iae iai iar iat iau ida idd ide idi idr idt idu idx ie- iea ied iee iei ier iet iex iia iid iie iii iir iit iiu iix ir- ira ird ire iri irr irt iru irx ita itd ite iti itt itu itx iu- iua iud iue iui iur iut ixe ixi ra- raa rad rae rai rar rat rau rax rda rdd rde rdi rdr rdt rdu rdx re- rea red ree rei rer ret reu rex ria rid rie rii rir rit rix rra rrd rri rrr rrt rru rta rtd rte rti rtr rtt rtu rtx rua rud rue rui rur rut ruu rux rxr t-x taa tad tae tai tar tat tau tax tda tdd tde tdi tdr tdt tdu tdx te- tea ted tee tei ter tet teu tex tia tid tie tii tir tit tiu tix tra trd tre tri trr trt tru trx tta ttd tte tti ttr ttt ttu ttx tua tud tue tui tur tut tuu tux txe txi txt txu ua- uaa uad uae uai uar uat uau uda udd ude udi udr udt udu udx uea ued uee uei uer uet uia uid uie uii uir uit uiu ur- ura urd ure uri urr urt uru urx uta utd ute uti utr utt utu utx uua uue uur uut uuu uxr uxt uxu xaa xad xar xat xau xda xde xdi xdr xdt xed xee xer xet xeu xex xia xie xii xit xiu xix xrd xrt xrx xti xtr xtx xue xui xxi xxx