-er a-a a-i aaa aae aaf aag aai aam aao aar aas aea aee aef aeg aei aem aeo aer aes af- afa afe aff afg afi afm afo afr afs ag- aga age agf agg agi agm ago agr ags ai- aia aie aif aig aii aim aio air ais ama ame amf amg ami amm amo amr ams aoa aoe aof aog aoi aom aoo aor aos ar- ara are arf arg ari arm aro arr ars as- asa ase asf asg asi asm aso asr ass eaa eae eaf eag eai eam eao ear eas eea eee eef eeg eem eeo eer ees ef- efa efe eff efg efi efm efo efr efs ega ege egf egg egi egm ego egr egs eia eie eif eig eii eim eio eir eis em- ema eme emf emg emi emm emo emr ems eo- eoa eoe eof eog eoi eom eoo eor eos era ere erf erg eri erm ero err ers es- esa ese esf esg esi esm eso esr ess faa fae faf fag fai fam fao far fas fea fee fef feg fei fem feo fer fes ffa ffe fff ffg ffi ffm ffo ffr ffs fga fge fgf fgg fgi fgm fgr fgs fia fie fif fig fii fim fir fis fma fme fmf fmg fmi fmm fmo fmr fms foa foe fof fog foi fom foo for fos fra fre frf frg fri frm fro frr frs fsa fse fsf fsg fsi fsm fso fsr fss gaa gae gaf gag gai gam gao gar gas ge- gea gee gef geg gei gem geo ger ges gfa gfe gff gfi gfm gfo gfr gfs gga ggg ggi ggm ggo ggr ggs gia gie gif gig gii gim gio gir gis gma gme gmf gmg gmi gmm gmo gmr gms goa goe gof gog goi gom goo gor gos gra gre grf grg gri grm gro grr grs gsa gse gsf gsg gsi gsm gso gsr gss i-f ia- iaa iae iaf iag iai iam iao iar ias ie- iea iee ief ieg iei iem ier ies ifa ife iff ifg ifi ifm ifo ifr ifs iga ige igf igg igi igm igo igr igs iia iie iif iii iim iio iir iis im- ima ime imf img imi imm imo ims io- ioa ioe iof iog ioi iom ioo ior ios ir- ira ire irf irg iri irm iro irr irs is- isa ise isf isg isi ism iso isr iss m-f m-o m-r maa mae maf mag mai mam mao mar mas mea mee mef meg mei mem meo mer mes mfa mfe mff mfg mfi mfm mfo mfr mfs mga mge mgf mgi mgm mgo mgr mgs mi- mia mie mif mig mii mim mio mir mis mma mme mmf mmg mmi mmm mmo mmr mms moa moe mof mog moi mom moo mor mos mra mre mrf mrg mri mrm mro mrr mrs msa mse msf msg msi msm mso msr mss o-i oaa oae oaf oag oai oam oao oar oas oea oee oef oeg oei oem oeo oer oes of- ofa ofe off ofg ofi ofm ofo ofr ofs oga oge ogf ogg ogi ogo ogs oia oie oif oii oim oio oir ois om- oma ome omf omg omi omm omo omr oms oo- ooa oof oog ooi oom ooo oor oos or- ora ore orf org ori orm oro orr ors os- osa ose osf osg osi osm oso osr oss ra- raa rae raf rag rai ram rao rar ras re- rea ree ref reg rei rem reo rer res rfa rfe rff rfg rfi rfm rfo rfr rfs rga rge rgf rgg rgi rgo rgr rgs ria rie rif rig rii rim rio rir ris rma rme rmf rmg rmi rmm rmo rmr rms roa roe rof rog roi rom roo ror ros rra rrf rrg rri rrm rrr rrs rsa rse rsf rsg rsi rsm rso rsr rss saa sae saf sag sai sam sao sar sas se- sea see sef seg sei sem seo ser ses sfa sfe sff sfg sfi sfm sfo sfr sfs sga sge sgf sgg sgi sgm sgo sgr sgs sia sie sif sig sii sim sio sir sis sma sme smf smg smi smm smo smr sms soa soe sof sog soi som soo sor sos sr- sra sre srf srg sri srm sro srr srs ss- ssa sse ssf ssg ssi ssm sso ssr sss