-ey a-a a-b aaa aab aae aao aas aau aav aay ab- aba abb abe abo abs abu abv aby aea aeb aee aeo aes aeu aev aey aoa aob aoe aoo aos aou aov as- asa asb ase aso ass asu asv asy au- aua aub aue auo aus auv av- ava avb ave avo avs avu avy ay- aya aye ayo ays ayu b-u baa bab bae bao bas bau bav bay bba bbb bbe bbo bbs bbu bby be- bea beb bee beo bes beu bev bey boa bob boe boo bos bou bov boy bsa bsb bse bso bss bsu bsv bsy bua bub bue buo bus buu buy bva bvb bve bvo bvs bvu bvv by- bya bye byo bys byu eaa eab eae eao eas eau eav eba ebb ebe ebo ebs ebu ebv eby eea eeb eee eeo ees eev eey eo- eoa eob eoe eoo eos eou es- esa esb ese eso ess esu esv esy eu- eua eub eue eus euv eva evb eve evo evs evv evy eya eye eyo eys oaa oab oae oao oas oau oav ob- oba obb obe obo obs obu obv oby oea oeb oee oeo oes oey oo- ooa oob ooo oos oov os- osa osb ose oso oss osu osv ou- oua oue ouo ous ov- ova ovb ove ovo ovs ovv oya oye oyo oys saa sab sae sao sas sau sav say sba sbb sbe sbo sbs sbu sbv sby se- sea seb see seo ses seu sev sey soa sob soe soo sos sou sov soy ss- ssa ssb sse sso sss ssu ssv sua sub sue suo sus suu suv suy sva svb sve svo svs svu svv svy sy- sya syb sye sys syu ua- uaa uab uae uao uas uau uav uay uba ubb ube ubo ubs ubu ubv uby uea ueb uee ues uey uoa uob uoe uoo uos usa usb use uso uss usu usv uua uue uus uuu uva uvb uve uvo uvs uvu uvv uyo uys uyu v-a v-e vaa vab vae vao vas vau vav vay vba vbo vbs vbv vea veb vee veo ves veu vey voa vob voe voo vos vou vov voy vsa vsb vse vso vss vsu vsv vue vus vuv vva vvb vvo vvs vvv vye yaa yab yae yao yas yau yav yay ybe ybs yby yea yeb yee yeo yes yev yey yob yoe yoo yos you yoy ysa ysb yse yso yss ysu ysy yua yue yuo yus yuu yuv yuy yva yve yvo yvy yyb yye yys yyu yyy