-er -ey a-a aaa aae aaf aao aar aas aau aay aea aee aef aeo aer aes aeu aey af- afa afe aff afo afr afs afu afy aoa aoe aof aoo aor aos aou ar- ara are arf aro arr ars aru ary as- asa ase asf aso asr ass asu asy au- aua aue auf auo aur aus ay- aya aye ayf ayo ayr ays ayu eaa eae eaf eao ear eas eau eea eee eef eeo eer ees eey ef- efa efe eff efo efr efs eo- eoa eoe eof eoo eor eos eou era ere erf ero err ers eru ery es- esa ese esf eso esr ess esu esy eu- eua eue euf eur eus eya eye eyo eyr eys faa fae faf fao far fas fau fay fea fee fef feo fer fes feu fey ffa ffe fff ffo ffr ffs ffu ffy foa foe fof foo for fos fou foy fra fre frf fro frr frs fru fry fsa fse fsf fso fsr fss fsu fua fue fuf fuo fur fus fuu fy- fya fye fyo oaa oae oaf oao oar oas oau oea oee oef oeo oer oes oey of- ofa ofe off ofo ofr ofs ofu oo- ooa oof ooo oor oos or- ora ore orf oro orr ors oru ory os- osa ose osf oso osr oss osu ou- oua oue ouf ouo our ous oya oye oyo oys ra- raa rae raf rao rar ras rau ray re- rea ree ref reo rer res reu rey rfa rfe rff rfo rfr rfs rfu roa roe rof roo ror ros rou roy rra rrf rrr rrs rru rsa rse rsf rso rsr rss rsu rua rue ruf ruo rur rus ruu ruy ry- rya rye ryf ryo ryr rys ryu ryy saa sae saf sao sar sas sau say se- sea see sef seo ser ses seu sey sfa sfe sff sfo sfr sfs sfu soa soe sof soo sor sos sou soy sr- sra sre srf sro srr srs sry ss- ssa sse ssf sso ssr sss ssu sua sue suf suo sur sus suu suy sy- sya sye syr sys syu ua- uaa uae uaf uao uar uas uau uay uea uee uef uer ues uey ufa ufe uff ufo ufr ufs ufu uoa uoe uoo uor uos ur- ura ure urf uro urr urs uru ury usa use usf uso usr uss usu uua uue uur uus uuu uyo uys uyu yaa yae yaf yao yar yas yau yay yea yee yef yeo yer yes yey yfa yfe yff yfr yfs yfu yoe yof yoo yor yos you yoy yra yre yrf yro yrs yru ysa yse yso ysr yss ysu ysy yua yue yuo yur yus yuu yuy yye yyf yys yyu yyy