-er a-a a-t aaa aad aae aao aar aat aav aax ad- ada add ade ado adr adt adv adx aea aed aee aeo aer aet aev aex aoa aod aoe aoo aor aot aov aox ar- ara ard are aro arr art arv arx at- ata atd ate ato atr att atv atx av- ava avd ave avo avr avt avx ax- axa axe axo axr axt axv axx daa dad dae dao dar dat dav dax dda ddd dde ddo ddr ddt ddx de- dea ded dee deo der det dev dex doa dod doe doo dor dot dov dox dra drd dre dro drr drt drv drx dta dtd dte dto dtr dtt dtv dtx dva dvd dve dvr dvt dvx dxd dxo dxr dxt dxx eaa ead eae eao ear eat eav eax ed- eda edd ede edo edr edt edx eea eed eee eeo eer eet eev eex eo- eoa eod eoe eoo eor eot era erd ere ero err ert erv eta etd ete eto etr ett etv etx eva evd eve evo evr evt evv ex- exa exd exe exo exr ext exx oaa oad oae oao oar oat oav oax oda odd ode odo odr odt odv oea oed oee oeo oer oet oex oo- ooa ood ooo oor oot oov oox or- ora ord ore oro orr ort orv orx ot- ota otd ote oto otr ott otv ov- ova ovd ove ovo ovv ox- oxa oxo oxt oxx ra- raa rad rae rao rar rat rav rax rda rdd rde rdo rdr rdt rdv rdx re- rea red ree reo rer ret rev rex roa rod roe roo ror rot rov rox rra rrd rrr rrt rta rtd rte rto rtr rtt rtv rtx rva rvd rve rvo rvr rvt rvv rxr t-x taa tad tae tao tar tat tav tax tda tdd tde tdo tdr tdt tdv tdx te- tea ted tee teo ter tet tev tex to- toa tod toe too tor tot tov tox tra trd tre tro trr trt trv trx tta ttd tte tto ttr ttt ttv ttx tva tvd tve tvo tvr tvt tvx txe txt v-a v-e vaa vad vae vao var vat vav vax vdd vde vdo vdr vdt vdv vdx vea ved vee veo ver vet vex voa vod voe voo vor vot vov vox vra vrd vre vrr vrt vta vte vto vtr vtt vtv vtx vva vvo vvr vvt vvv vxa vxd vxr vxv xaa xad xar xat xav xda xde xdr xdt xdv xed xee xer xet xev xex xoa xod xoo xor xot xov xox xrd xrt xrx xtr xtv xtx xvt xxo xxv xxx