-er a-a a-i aaa aae aaf aag aai aam aar aas aea aee aef aeg aei aem aer aes af- afa afe aff afg afi afm afr afs ag- aga age agf agg agi agm agr ags ai- aia aie aif aig aii aim air ais ama ame amf amg ami amm amr ams ar- ara are arf arg ari arm arr ars as- asa ase asf asg asi asm asr ass eaa eae eaf eag eai eam ear eas eea eee eef eeg eem eer ees ef- efa efe eff efg efi efm efr efs ega ege egf egg egi egm egr egs eia eie eif eig eii eim eir eis em- ema eme emf emg emi emm emr ems era ere erf erg eri erm err ers es- esa ese esf esg esi esm esr ess faa fae faf fag fai fam far fas fea fee fef feg fei fem fer fes ffa ffe fff ffg ffi ffm ffr ffs fga fge fgf fgg fgi fgm fgr fgs fia fie fif fig fii fim fir fis fma fme fmf fmg fmi fmm fmr fms fra fre frf frg fri frm frr frs fsa fse fsf fsg fsi fsm fsr fss gaa gae gaf gag gai gam gar gas ge- gea gee gef geg gei gem ger ges gfa gfe gff gfi gfm gfr gfs gga ggg ggi ggm ggr ggs gia gie gif gig gii gim gir gis gma gme gmf gmg gmi gmm gmr gms gra gre grf grg gri grm grr grs gsa gse gsf gsg gsi gsm gsr gss i-f ia- iaa iae iaf iag iai iam iar ias ie- iea iee ief ieg iei iem ier ies ifa ife iff ifg ifi ifm ifr ifs iga ige igf igg igi igm igr igs iia iie iif iii iim iir iis im- ima ime imf img imi imm ims ir- ira ire irf irg iri irm irr irs is- isa ise isf isg isi ism isr iss m-f m-r maa mae maf mag mai mam mar mas mea mee mef meg mei mem mer mes mfa mfe mff mfg mfi mfm mfr mfs mga mge mgf mgi mgm mgr mgs mi- mia mie mif mig mii mim mir mis mma mme mmf mmg mmi mmm mmr mms mra mre mrf mrg mri mrm mrr mrs msa mse msf msg msi msm msr mss ra- raa rae raf rag rai ram rar ras re- rea ree ref reg rei rem rer res rfa rfe rff rfg rfi rfm rfr rfs rga rge rgf rgg rgi rgr rgs ria rie rif rig rii rim rir ris rma rme rmf rmg rmi rmm rmr rms rra rrf rrg rri rrm rrr rrs rsa rse rsf rsg rsi rsm rsr rss saa sae saf sag sai sam sar sas se- sea see sef seg sei sem ser ses sfa sfe sff sfg sfi sfm sfr sfs sga sge sgf sgg sgi sgm sgr sgs sia sie sif sig sii sim sir sis sma sme smf smg smi smm smr sms sr- sra sre srf srg sri srm srr srs ss- ssa sse ssf ssg ssi ssm ssr sss