-er a-a aaa aae aaf aam aao aar aas aau aea aee aef aem aeo aer aes aeu af- afa afe aff afm afo afr afs afu ama ame amf amm amo amr ams amu aoa aoe aof aom aoo aor aos aou ar- ara are arf arm aro arr ars aru as- asa ase asf asm aso asr ass asu au- aua aue auf aum auo aur aus eaa eae eaf eam eao ear eas eau eea eee eef eem eeo eer ees ef- efa efe eff efm efo efr efs em- ema eme emf emm emo emr ems emu eo- eoa eoe eof eom eoo eor eos eou era ere erf erm ero err ers eru es- esa ese esf esm eso esr ess esu eu- eua eue euf eur eus faa fae faf fam fao far fas fau fea fee fef fem feo fer fes feu ffa ffe fff ffm ffo ffr ffs ffu fma fme fmf fmm fmo fmr fms fmu foa foe fof fom foo for fos fou fra fre frf frm fro frr frs fru fsa fse fsf fsm fso fsr fss fsu fua fue fuf fum fuo fur fus fuu m-f m-o m-r maa mae maf mam mao mar mas mau mea mee mef mem meo mer mes meu mfa mfe mff mfm mfo mfr mfs mfu mma mme mmf mmm mmo mmr mms mmu moa moe mof mom moo mor mos mou mra mre mrf mrm mro mrr mrs mru msa mse msf msm mso msr mss msu mua mue muf mum mur mus muu oaa oae oaf oam oao oar oas oau oea oee oef oem oeo oer oes of- ofa ofe off ofm ofo ofr ofs ofu om- oma ome omf omm omo omr oms omu oo- ooa oof oom ooo oor oos or- ora ore orf orm oro orr ors oru os- osa ose osf osm oso osr oss osu ou- oua oue ouf oum ouo our ous ra- raa rae raf ram rao rar ras rau re- rea ree ref rem reo rer res reu rfa rfe rff rfm rfo rfr rfs rfu rma rme rmf rmm rmo rmr rms roa roe rof rom roo ror ros rou rra rrf rrm rrr rrs rru rsa rse rsf rsm rso rsr rss rsu rua rue ruf rum ruo rur rus ruu saa sae saf sam sao sar sas sau se- sea see sef sem seo ser ses seu sfa sfe sff sfm sfo sfr sfs sfu sma sme smf smm smo smr sms smu soa soe sof som soo sor sos sou sr- sra sre srf srm sro srr srs ss- ssa sse ssf ssm sso ssr sss ssu sua sue suf sum suo sur sus suu ua- uaa uae uaf uam uao uar uas uau uea uee uef uem uer ues ufa ufe uff ufm ufo ufr ufs ufu um- uma ume umf umm umo umr ums umu uoa uoe uom uoo uor uos ur- ura ure urf urm uro urr urs uru usa use usf usm uso usr uss usu uua uue uum uur uus uuu