-al -er a-a a-i aaa aae aaf aag aai aal aar aas aea aee aef aeg aei ael aer aes af- afa afe aff afg afi afl afr afs ag- aga age agf agg agi agl agr ags ai- aia aie aif aig aii ail air ais al- ala ale alf alg ali all alr als ar- ara are arf arg ari arl arr ars as- asa ase asf asg asi asl asr ass eaa eae eaf eag eai eal ear eas eea eee eef eeg eel eer ees ef- efa efe eff efg efi efl efr efs ega ege egf egg egi egl egr egs eia eie eif eig eii eil eir eis ela ele elf elg eli ell elr els era ere erf erg eri erl err ers es- esa ese esf esg esi esl esr ess faa fae faf fag fai fal far fas fea fee fef feg fei fel fer fes ffa ffe fff ffg ffi ffl ffr ffs fga fge fgf fgg fgi fgl fgr fgs fia fie fif fig fii fil fir fis fla fle flf flg fli fll flr fls fra fre frf frg fri frl frr frs fsa fse fsf fsg fsi fsl fsr fss gaa gae gaf gag gai gal gar gas ge- gea gee gef geg gei gel ger ges gfa gfe gff gfi gfl gfr gfs gga ggg ggi ggr ggs gia gie gif gig gii gil gir gis gla gle glf glg gli gll glr gls gra gre grf grg gri grl grr grs gsa gse gsf gsg gsi gsl gsr gss i-f ia- iaa iae iaf iag iai ial iar ias ie- iea iee ief ieg iei iel ier ies ifa ife iff ifg ifi ifl ifr ifs iga ige igf igg igi igl igr igs iia iie iif iii iil iir iis il- ila ile ilf ilg ili ill ilr ils ir- ira ire irf irg iri irl irr irs is- isa ise isf isg isi isl isr iss la- laa lae laf lag lai lal lar las lea lee lef leg lei lel ler les lfa lfe lff lfg lfi lfl lfr lfs lga lge lgf lgg lgi lgl lgr lgs lia lie lif lig lii lil lir lis lla lle llf llg lli lll llr lls lra lrf lrg lri lrr lrs lsa lse lsf lsg lsi lsl lsr lss ra- raa rae raf rag rai ral rar ras re- rea ree ref reg rei rel rer res rfa rfe rff rfg rfi rfl rfr rfs rga rge rgf rgg rgi rgr rgs ria rie rif rig rii ril rir ris rla rle rlf rlg rli rll rlr rls rra rrf rrg rri rrl rrr rrs rsa rse rsf rsg rsi rsl rsr rss saa sae saf sag sai sal sar sas se- sea see sef seg sei sel ser ses sfa sfe sff sfg sfi sfl sfr sfs sga sge sgf sgg sgi sgl sgr sgs sia sie sif sig sii sil sir sis sla sle slf slg sli sll slr sls sr- sra sre srf srg sri srl srr srs ss- ssa sse ssf ssg ssi ssl ssr sss