-er a-a a-i aaa aae aaf aai aao aar aas aau aea aee aef aei aeo aer aes aeu af- afa afe aff afi afo afr afs afu ai- aia aie aif aii aio air ais aiu aoa aoe aof aoi aoo aor aos aou ar- ara are arf ari aro arr ars aru as- asa ase asf asi aso asr ass asu au- aua aue auf aui auo aur aus eaa eae eaf eai eao ear eas eau eea eee eef eeo eer ees ef- efa efe eff efi efo efr efs eia eie eif eii eio eir eis eiu eo- eoa eoe eof eoi eoo eor eos eou era ere erf eri ero err ers eru es- esa ese esf esi eso esr ess esu eu- eua eue euf eui eur eus faa fae faf fai fao far fas fau fea fee fef fei feo fer fes feu ffa ffe fff ffi ffo ffr ffs ffu fia fie fif fii fir fis fiu foa foe fof foi foo for fos fou fra fre frf fri fro frr frs fru fsa fse fsf fsi fso fsr fss fsu fua fue fuf fui fuo fur fus fuu i-f ia- iaa iae iaf iai iao iar ias iau ie- iea iee ief iei ier ies ifa ife iff ifi ifo ifr ifs ifu iia iie iif iii iio iir iis iiu io- ioa ioe iof ioi ioo ior ios iou ir- ira ire irf iri iro irr irs iru is- isa ise isf isi iso isr iss isu iu- iua iue iui iur ius o-i oaa oae oaf oai oao oar oas oau oea oee oef oei oeo oer oes of- ofa ofe off ofi ofo ofr ofs ofu oia oie oif oii oio oir ois oiu oo- ooa oof ooi ooo oor oos or- ora ore orf ori oro orr ors oru os- osa ose osf osi oso osr oss osu ou- oua oue ouf oui ouo our ous ra- raa rae raf rai rao rar ras rau re- rea ree ref rei reo rer res reu rfa rfe rff rfi rfo rfr rfs rfu ria rie rif rii rio rir ris roa roe rof roi roo ror ros rou rra rrf rri rrr rrs rru rsa rse rsf rsi rso rsr rss rsu rua rue ruf rui ruo rur rus ruu saa sae saf sai sao sar sas sau se- sea see sef sei seo ser ses seu sfa sfe sff sfi sfo sfr sfs sfu sia sie sif sii sio sir sis siu soa soe sof soi soo sor sos sou sr- sra sre srf sri sro srr srs ss- ssa sse ssf ssi sso ssr sss ssu sua sue suf sui suo sur sus suu ua- uaa uae uaf uai uao uar uas uau uea uee uef uei uer ues ufa ufe uff ufi ufo ufr ufs ufu uia uie uif uii uio uir uis uiu uoa uoe uoo uor uos ur- ura ure urf uri uro urr urs uru usa use usf usi uso usr uss usu uua uue uur uus uuu