-al -er a-a aaa aae aaf aag aal aar aas aea aee aef aeg ael aer aes af- afa afe aff afg afl afr afs ag- aga age agf agg agl agr ags al- ala ale alf alg all alr als ar- ara are arf arg arl arr ars as- asa ase asf asg asl asr ass eaa eae eaf eag eal ear eas eea eee eef eeg eel eer ees ef- efa efe eff efg efl efr efs ega ege egf egg egl egr egs ela ele elf elg ell elr els era ere erf erg erl err ers es- esa ese esf esg esl esr ess faa fae faf fag fal far fas fea fee fef feg fel fer fes ffa ffe fff ffg ffl ffr ffs fga fge fgf fgg fgl fgr fgs fla fle flf flg fll flr fls fra fre frf frg frl frr frs fsa fse fsf fsg fsl fsr fss gaa gae gaf gag gal gar gas ge- gea gee gef geg gel ger ges gfa gfe gff gfl gfr gfs gga ggg ggr ggs gla gle glf glg gll glr gls gra gre grf grg grl grr grs gsa gse gsf gsg gsl gsr gss la- laa lae laf lag lal lar las lea lee lef leg lel ler les lfa lfe lff lfg lfl lfr lfs lga lge lgf lgg lgl lgr lgs lla lle llf llg lll llr lls lra lrf lrg lrr lrs lsa lse lsf lsg lsl lsr lss ra- raa rae raf rag ral rar ras re- rea ree ref reg rel rer res rfa rfe rff rfg rfl rfr rfs rga rge rgf rgg rgr rgs rla rle rlf rlg rll rlr rls rra rrf rrg rrl rrr rrs rsa rse rsf rsg rsl rsr rss saa sae saf sag sal sar sas se- sea see sef seg sel ser ses sfa sfe sff sfg sfl sfr sfs sga sge sgf sgg sgl sgr sgs sla sle slf slg sll slr sls sr- sra sre srf srg srl srr srs ss- ssa sse ssf ssg ssl ssr sss