-al -er a-a a-i aaa aae aaf aag aai aal aar aav aea aee aef aeg aei ael aer aev af- afa afe aff afg afi afl afr afv ag- aga age agf agg agi agl agr agv ai- aia aie aif aig aii ail air aiv al- ala ale alf alg ali all alr alv ar- ara are arf arg ari arl arr arv av- ava ave avf avg avi avl avr eaa eae eaf eag eai eal ear eav eea eee eef eeg eel eer eev ef- efa efe eff efg efi efl efr ega ege egf egg egi egl egr eia eie eif eig eii eil eir eiv ela ele elf elg eli ell elr elv era ere erf erg eri erl err erv eva eve evf evg evi evl evr evv faa fae faf fag fai fal far fav fea fee fef feg fei fel fer fev ffa ffe fff ffg ffi ffl ffr ffv fga fge fgf fgg fgi fgl fgr fgv fia fie fif fig fii fil fir fla fle flf flg fli fll flr fra fre frf frg fri frl frr fva fvg gaa gae gaf gag gai gal gar gav ge- gea gee gef geg gei gel ger gev gfa gfe gff gfi gfl gfr gga ggg ggi ggr ggv gia gie gif gig gii gil gir giv gla gle glf glg gli gll glr glv gra gre grf grg gri grl grr grv gva gve gvf gvg gvi gvl gvr i-f i-v ia- iaa iae iaf iag iai ial iar iav ie- iea iee ief ieg iei iel ier iev ifa ife iff ifg ifi ifl ifr iga ige igf igg igi igl igr iia iie iif iii iil iir il- ila ile ilf ilg ili ill ilr ilv ir- ira ire irf irg iri irl irr irv iva ive ivf ivg ivi ivl ivr ivv la- laa lae laf lag lai lal lar lav lea lee lef leg lei lel ler lev lfa lfe lff lfg lfi lfl lfr lga lge lgf lgg lgi lgl lgr lgv lia lie lif lig lii lil lir liv lla lle llf llg lli lll llr llv lra lrf lrg lri lrr lrv lva lve lvf lvg lvi lvl lvr lvv ra- raa rae raf rag rai ral rar rav re- rea ree ref reg rei rel rer rev rfa rfe rff rfg rfi rfl rfr rfv rga rge rgf rgg rgi rgr rgv ria rie rif rig rii ril rir riv rla rle rlf rlg rli rll rlr rra rrf rrg rri rrl rrr rva rve rvf rvg rvi rvl rvr rvv v-a v-e vaa vae vag vai val var vav vea vee vef veg vei vel ver vfa vff vfg vfi vfl vfr vfv vga vgf vgg vgl vgr vi- via vie vif vig vii vil vir viv vl- vla vle vlf vll vlv vra vre vrf vrg vri vrr vva vvg vvi vvr vvv