-er a-a a-i a-t aaa aae aai aar aat aav aax aea aee aei aer aet aev aex ai- aia aie aii air ait aiv aix ar- ara are ari arr art arv arx at- ata ate ati atr att atv atx av- ava ave avi avr avt avx ax- axa axe axi axr axt axv axx eaa eae eai ear eat eav eax eea eee eer eet eev eex eia eie eii eir eit eiv eix era ere eri err ert erv eta ete eti etr ett etv etx eva eve evi evr evt evv ex- exa exe exi exr ext exx i-v ia- iaa iae iai iar iat iav ie- iea iee iei ier iet iev iex iia iie iii iir iit iix ir- ira ire iri irr irt irv irx ita ite iti itt itv itx iva ive ivi ivr ivt ivv ivx ixe ixi ra- raa rae rai rar rat rav rax re- rea ree rei rer ret rev rex ria rie rii rir rit riv rix rra rri rrr rrt rta rte rti rtr rtt rtv rtx rva rve rvi rvr rvt rvv rxr t-x taa tae tai tar tat tav tax te- tea tee tei ter tet tev tex tia tie tii tir tit tiv tix tra tre tri trr trt trv trx tta tte tti ttr ttt ttv ttx tva tve tvi tvr tvt tvx txe txi txt v-a v-e vaa vae vai var vat vav vax vea vee vei ver vet vex vi- via vie vii vir vit viv vix vra vre vri vrr vrt vta vte vti vtr vtt vtv vtx vva vvi vvr vvt vvv vxa vxr vxv xaa xar xat xav xee xer xet xev xex xia xie xii xit xiv xix xrt xrx xti xtr xtv xtx xvi xvt xxi xxv xxx