-er a-a a-i a-t aaa aad aae aai aao aar aat aax ad- ada add ade adi ado adr adt adx aea aed aee aei aeo aer aet aex ai- aia aid aie aii aio air ait aix aoa aod aoe aoi aoo aor aot aox ar- ara ard are ari aro arr art arx at- ata atd ate ati ato atr att atx ax- axa axe axi axo axr axt axx daa dad dae dai dao dar dat dax dda ddd dde ddi ddo ddr ddt ddx de- dea ded dee dei deo der det dex di- dia did die dii dio dir dit dix doa dod doe doi doo dor dot dox dra drd dre dri dro drr drt drx dta dtd dte dti dto dtr dtt dtx dxd dxi dxo dxr dxt dxx eaa ead eae eai eao ear eat eax ed- eda edd ede edi edo edr edt edx eea eed eee eeo eer eet eex eia eid eie eii eio eir eit eix eo- eoa eod eoe eoi eoo eor eot era erd ere eri ero err ert eta etd ete eti eto etr ett etx ex- exa exd exe exi exo exr ext exx i-d ia- iaa iad iae iai iao iar iat ida idd ide idi ido idr idt idx ie- iea ied iee iei ier iet iex iia iid iie iii iio iir iit iix io- ioa iod ioe ioi ioo ior iot ir- ira ird ire iri iro irr irt irx ita itd ite iti ito itt itx ixe ixi o-i oaa oad oae oai oao oar oat oax oda odd ode odi odo odr odt oea oed oee oei oeo oer oet oex oia oid oie oii oio oir oit oo- ooa ood ooi ooo oor oot oox or- ora ord ore ori oro orr ort orx ot- ota otd ote oti oto otr ott ox- oxa oxi oxo oxt oxx ra- raa rad rae rai rao rar rat rax rda rdd rde rdi rdo rdr rdt rdx re- rea red ree rei reo rer ret rex ria rid rie rii rio rir rit rix roa rod roe roi roo ror rot rox rra rrd rri rrr rrt rta rtd rte rti rto rtr rtt rtx rxr t-x taa tad tae tai tao tar tat tax tda tdd tde tdi tdo tdr tdt tdx te- tea ted tee tei teo ter tet tex tia tid tie tii tio tir tit tix to- toa tod toe toi too tor tot tox tra trd tre tri tro trr trt trx tta ttd tte tti tto ttr ttt ttx txe txi txt xaa xad xar xat xda xde xdi xdr xdt xed xee xer xet xex xia xie xii xio xit xix xoa xod xoi xoo xor xot xox xrd xrt xrx xti xtr xtx xxi xxo xxx