-er -ey a-a a-b a-i aaa aab aad aae aai aar aas aau aay ab- aba abb abd abe abi abr abs abu aby ad- ada adb add ade adi adr ads adu ady aea aeb aed aee aei aer aes aeu aey ai- aia aib aid aie aii air ais aiu aiy ar- ara arb ard are ari arr ars aru ary as- asa asb asd ase asi asr ass asu asy au- aua aub aud aue aui aur aus ay- aya ayd aye ayi ayr ays ayu b-u baa bab bad bae bai bar bas bau bay bba bbb bbd bbe bbi bbr bbs bbu bby bda bdb bdd bde bdi bdr bds bdu bdy be- bea beb bed bee bei ber bes beu bey bi- bia bib bid bie bii bir bis biu biy bra brb brd bre bri brr brs bru bry bsa bsb bsd bse bsi bsr bss bsu bsy bua bub bud bue bui bur bus buu buy by- bya byd bye byi byr bys byu daa dab dad dae dai dar das dau day dba dbb dbd dbe dbi dbr dbs dbu dby dda ddb ddd dde ddi ddr dds ddu ddy de- dea deb ded dee dei der des deu dey di- dia dib did die dii dir dis diu diy dra drb drd dre dri drr drs dru dry dsa dsb dsd dse dsi dsr dss dsu dsy dua dub dud due dui dur dus duy dy- dya dyb dyd dye dyr dys dyu dyy eaa eab ead eae eai ear eas eau eba ebb ebd ebe ebi ebr ebs ebu eby ed- eda edb edd ede edi edr eds edu edy eea eeb eed eee eer ees eey eia eib eid eie eii eir eis eiu era erb erd ere eri err ers eru ery es- esa esb esd ese esi esr ess esu esy eu- eua eub eud eue eui eur eus eya eyd eye eyr eys i-d ia- iaa iab iad iae iai iar ias iau iba ibb ibd ibe ibi ibr ibs ibu iby ida idb idd ide idi idr ids idu idy ie- iea ied iee iei ier ies iey iia iib iid iie iii iir iis iiu ir- ira irb ird ire iri irr irs iru iry is- isa isb isd ise isi isr iss isu isy iu- iua iub iud iue iui iur ius iya iye iyr iys iyy ra- raa rab rad rae rai rar ras rau ray rba rbb rbd rbe rbi rbr rbs rbu rda rdb rdd rde rdi rdr rds rdu rdy re- rea reb red ree rei rer res reu rey ria rib rid rie rii rir ris riy rra rrb rrd rri rrr rrs rru rsa rsb rsd rse rsi rsr rss rsu rua rub rud rue rui rur rus ruu ruy ry- rya ryd rye ryr rys ryu ryy saa sab sad sae sai sar sas sau say sba sbb sbd sbe sbi sbr sbs sbu sby sda sdb sdd sde sdi sdr sds sdu sdy se- sea seb sed see sei ser ses seu sey sia sib sid sie sii sir sis siu sr- sra srb srd sre sri srr srs sry ss- ssa ssb ssd sse ssi ssr sss ssu sua sub sud sue sui sur sus suu suy sy- sya syb syd sye syi syr sys syu ua- uaa uab uad uae uai uar uas uau uay uba ubb ube ubi ubr ubs ubu uby uda udb udd ude udi udr uds udu uea ueb ued uee uei uer ues uey uia uib uid uie uii uir uis uiu ur- ura urb urd ure uri urr urs uru ury usa usb usd use usi usr uss usu uua uue uur uus uuu uyi uys uyu yaa yab yad yae yai yar yas yau yay ybe ybi ybr ybs yby yda yde yds ydy yea yeb yed yee yei yer yes yey yid yie yii yir yis yra yre yrs yru ysa ysb yse ysi ysr yss ysu ysy yua yud yue yui yur yus yuu yuy yyb yye yys yyu yyy