-al -er -ol a-a a-t aaa aae aaf aal aao aar aat aav aax aea aee aef ael aeo aer aet aev aex af- afa afe aff afl afo afr aft afv afx al- ala ale alf all alo alr alt alv alx aoa aoe aof aol aoo aor aot aov aox ar- ara are arf arl aro arr art arv arx at- ata ate atf atl ato atr att atv atx av- ava ave avf avl avo avr avt avx ax- axa axe axl axo axr axt axv axx eaa eae eaf eal eao ear eat eav eax eea eee eef eel eeo eer eet eev eex ef- efa efe eff efl efo efr eft efx ela ele elf ell elo elr elt elv elx eo- eoa eoe eof eol eoo eor eot era ere erf erl ero err ert erv eta ete etf etl eto etr ett etv etx eva eve evf evl evo evr evt evv ex- exa exe exl exo exr ext exx faa fae faf fal fao far fat fav fax fea fee fef fel feo fer fet fev fex ffa ffe fff ffl ffo ffr fft ffv ffx fla fle flf fll flo flr flt flx foa foe fof fol foo for fot fox fra fre frf frl fro frr frt fta fte ftf ftl fto ftr ftt ftv ftx fva fvt fxe fxr fxt fxx la- laa lae laf lal lao lar lat lav lax lea lee lef lel leo ler let lev lex lfa lfe lff lfl lfo lfr lft lfx lla lle llf lll llo llr llt llv loa loe lof lol loo lor lot lov lox lra lrf lro lrr lrt lrv lta lte ltf ltl lto ltr ltt ltv ltx lva lve lvf lvl lvr lvt lvv lvx lxo lxr lxv lxx oaa oae oaf oal oao oar oat oav oax oea oee oef oel oeo oer oet oex of- ofa ofe off ofl ofo ofr oft ofv ofx ola ole olf oll olo olt oo- ooa oof ool ooo oor oot oov oox or- ora ore orf orl oro orr ort orv orx ot- ota ote otf otl oto otr ott otv ov- ova ove ovf ovl ovo ovv ox- oxa oxf oxo oxt oxx ra- raa rae raf ral rao rar rat rav rax re- rea ree ref rel reo rer ret rev rex rfa rfe rff rfl rfo rfr rft rfv rla rle rlf rll rlo rlr rlt roa roe rof rol roo ror rot rov rox rra rrf rrl rrr rrt rta rte rtf rtl rto rtr rtt rtv rtx rva rve rvf rvl rvo rvr rvt rvv rxr t-x taa tae taf tal tao tar tat tav tax te- tea tee tef tel teo ter tet tev tex tfa tfe tff tfl tfo tfr tft tfx tla tle tlf tll tlo tlr tlt tlv tlx to- toa toe tof tol too tor tot tov tox tra tre trf trl tro trr trt trv trx tta tte ttf ttl tto ttr ttt ttv ttx tva tve tvf tvl tvo tvr tvt tvx txe txf txl txt v-a v-e vaa vae val vao var vat vav vax vea vee vef vel veo ver vet vex vfa vff vfl vfr vft vfv vl- vla vle vlf vll vlo vlt vlv voa voe vof vol voo vor vot vov vox vra vre vrf vrr vrt vta vte vtl vto vtr vtt vtv vtx vva vvo vvr vvt vvv vxa vxl vxr vxv xaa xaf xal xar xat xav xee xel xer xet xev xex xfa xfe xfl xft xfv xfx xla xlf xlr xlt xlv xoa xof xoo xor xot xov xox xrf xrt xrx xtf xtr xtv xtx xvl xvt xxl xxo xxv xxx