-er -ey a-a a-b aaa aab aae aah aao aar aas aay ab- aba abb abe abh abo abr abs aby aea aeb aee aeh aeo aer aes aey aha ahb ahe ahh aho ahr ahs ahy aoa aob aoe aoh aoo aor aos ar- ara arb are arh aro arr ars ary as- asa asb ase ash aso asr ass asy ay- aya aye ayh ayo ayr ays baa bab bae bah bao bar bas bay bba bbb bbe bbh bbo bbr bbs bby be- bea beb bee beh beo ber bes bey bha bhb bhe bhh bho bhr bhs boa bob boe boh boo bor bos boy bra brb bre brh bro brr brs bry bsa bsb bse bsh bso bsr bss bsy by- bya bye byh byo byr bys eaa eab eae eah eao ear eas eba ebb ebe ebh ebo ebr ebs eby eea eeb eee eeo eer ees eey eha ehb ehe ehh eho ehr ehs eo- eoa eob eoe eoh eoo eor eos era erb ere erh ero err ers ery es- esa esb ese esh eso esr ess esy eya eye eyo eyr eys haa hab hae hah hao har has hay hba hbb hbe hbh hbo hbr hbs hby he- hea heb hee heh heo her hes hey hha hhb hhe hhh hho hhr hhs hhy hoa hob hoe hoh hoo hor hos hoy hr- hra hrb hre hrh hro hrr hrs hsa hsb hse hsh hsr hss hsy hy- hya hyb hye hyh hyo hyr hys hyy oaa oab oae oah oao oar oas ob- oba obb obe obh obo obr obs oby oea oeb oee oeh oeo oer oes oey oha ohe ohh oho ohr ohs oo- ooa oob ooh ooo oor oos or- ora orb ore orh oro orr ors ory os- osa osb ose osh oso osr oss oya oye oyo oys ra- raa rab rae rah rao rar ras ray rba rbb rbe rbh rbo rbr rbs re- rea reb ree reh reo rer res rey rh- rha rhb rhe rhh rho rhr rhs roa rob roe roh roo ror ros roy rra rrb rrh rrr rrs rsa rsb rse rsh rso rsr rss ry- rya rye ryo ryr rys ryy saa sab sae sah sao sar sas say sba sbb sbe sbh sbo sbr sbs sby se- sea seb see seh seo ser ses sey sh- sha shb she shh sho shr shs shy soa sob soe soh soo sor sos soy sr- sra srb sre srh sro srr srs sry ss- ssa ssb sse ssh sso ssr sss sy- sya syb sye syh syr sys yaa yab yae yah yao yar yas yay ybe ybr ybs yby yea yeb yee yeh yeo yer yes yey yha yhe yhs yob yoe yoo yor yos yoy yra yre yro yrs ysa ysb yse yso ysr yss ysy yyb yye yys yyy