a-a a-b a-i aaa aab aah aai aan aao aar aas aay ab- aba abb abh abi abn abo abr abs aby aha ahb ahh ahi ahn aho ahr ahs ahy ai- aia aib aih aii ain aio air ais aiy an- ana anb anh ani ann ano anr ans any aoa aob aoh aoi aon aoo aor aos ar- ara arb arh ari arn aro arr ars ary as- asa asb ash asi asn aso asr ass asy ay- aya ayh ayi ayn ayo ayr ays baa bab bah bai ban bao bar bas bay bba bbb bbh bbi bbn bbo bbr bbs bby bha bhb bhh bhi bho bhr bhs bi- bia bib bih bii bin bio bir bis biy bna bnb bni bnn bno bnr bns boa bob boh boi bon boo bor bos boy bra brb brh bri brn bro brr brs bry bsa bsb bsh bsi bsn bso bsr bss bsy by- bya byh byi byn byo byr bys h-i haa hab hah hai han hao har has hay hba hbb hbh hbi hbn hbo hbr hbs hby hha hhb hhh hhi hhn hho hhr hhs hhy hia hib hih hii hin hio hir his hna hnb hnh hnn hno hns hny hoa hob hoh hoi hon hoo hor hos hoy hr- hra hrb hrh hri hrn hro hrr hrs hsa hsb hsh hsi hsn hsr hss hsy hy- hya hyb hyh hyi hyn hyo hyr hys hyy ia- iaa iab iah iai ian iao iar ias iba ibb ibh ibi ibn ibo ibr ibs iby iha ihb ihh ihi ihn iho ihr ihs ihy iia iib iih iii iin iio iir iis in- ina inb inh ini inn ino inr ins iny io- ioa iob ioh ioi ion ioo ior ios ir- ira irb iri irn iro irr irs iry is- isa isb ish isi isn iso isr iss isy iya iyo iyr iys iyy n-i naa nab nah nai nan nao nar nas nay nba nbb nbi nbn nbo nbr nbs nha nhb nhh nhi nhn nhr nhs nhy nia nib nih nii nin nio nir nis nna nnb nnh nni nnn nno nns no- noa nob noh noi non noo nor nos noy nra nrb nri nrn nro nrr nrs nry nsa nsb nsh nsi nsn nso nsr nss nsy nya nyn nyo nys nyy o-i oaa oab oah oai oan oao oar oas ob- oba obb obh obi obn obo obr obs oby oha ohh ohi ohn oho ohr ohs oia oib oii oin oio oir ois on- ona onb onh oni onn ono onr ons ony oo- ooa oob ooh ooi oon ooo oor oos or- ora orb orh ori orn oro orr ors ory os- osa osb osh osi osn oso osr oss oya oyi oyo oys ra- raa rab rah rai ran rao rar ras ray rba rbb rbh rbi rbn rbo rbr rbs rh- rha rhb rhh rhi rhn rho rhr rhs ria rib rih rii rin rio rir ris riy rna rnb rnh rni rnn rno rnr rns rny roa rob roh roi ron roo ror ros roy rra rrb rrh rri rrn rrr rrs rsa rsb rsh rsi rsn rso rsr rss ry- rya ryn ryo ryr rys ryy saa sab sah sai san sao sar sas say sba sbb sbh sbi sbn sbo sbr sbs sby sh- sha shb shh shi shn sho shr shs shy sia sib sih sii sin sio sir sis sna snb sni snn sno snr sns sny soa sob soh soi son soo sor sos soy sr- sra srb srh sri srn sro srr srs sry ss- ssa ssb ssh ssi ssn sso ssr sss sy- sya syb syh syi syn syr sys yaa yab yah yai yan yao yar yas yay ybi ybr ybs yby yha yhi yhs yih yii yin yio yir yis yna ynn yns yny yob yoi yon yoo yor yos yoy yra yrn yro yrs ysa ysb ysi yso ysr yss ysy yyb yys yyy