-er a-a a-i aaa aae aai aam aao aar aas aea aee aei aem aeo aer aes ai- aia aie aii aim aio air ais ama ame ami amm amo amr ams aoa aoe aoi aom aoo aor aos ar- ara are ari arm aro arr ars as- asa ase asi asm aso asr ass eaa eae eai eam eao ear eas eea eee eem eeo eer ees eia eie eii eim eio eir eis em- ema eme emi emm emo emr ems eo- eoa eoe eoi eom eoo eor eos era ere eri erm ero err ers es- esa ese esi esm eso esr ess ia- iaa iae iai iam iao iar ias ie- iea iee iei iem ier ies iia iie iii iim iio iir iis im- ima ime imi imm imo ims io- ioa ioe ioi iom ioo ior ios ir- ira ire iri irm iro irr irs is- isa ise isi ism iso isr iss m-o m-r maa mae mai mam mao mar mas mea mee mei mem meo mer mes mi- mia mie mii mim mio mir mis mma mme mmi mmm mmo mmr mms moa moe moi mom moo mor mos mra mre mri mrm mro mrr mrs msa mse msi msm mso msr mss o-i oaa oae oai oam oao oar oas oea oee oei oem oeo oer oes oia oie oii oim oio oir ois om- oma ome omi omm omo omr oms oo- ooa ooi oom ooo oor oos or- ora ore ori orm oro orr ors os- osa ose osi osm oso osr oss ra- raa rae rai ram rao rar ras re- rea ree rei rem reo rer res ria rie rii rim rio rir ris rma rme rmi rmm rmo rmr rms roa roe roi rom roo ror ros rra rri rrm rrr rrs rsa rse rsi rsm rso rsr rss saa sae sai sam sao sar sas se- sea see sei sem seo ser ses sia sie sii sim sio sir sis sma sme smi smm smo smr sms soa soe soi som soo sor sos sr- sra sre sri srm sro srr srs ss- ssa sse ssi ssm sso ssr sss