a-a a-b a-i aaa aab aad aai aan aao aar aay ab- aba abb abd abi abn abo abr aby ad- ada adb add adi adn ado adr ady ai- aia aib aid aii ain aio air aiy an- ana anb and ani ann ano anr any aoa aob aod aoi aon aoo aor ar- ara arb ard ari arn aro arr ary ay- aya ayd ayi ayn ayo ayr baa bab bad bai ban bao bar bay bba bbb bbd bbi bbn bbo bbr bby bda bdb bdd bdi bdo bdr bdy bi- bia bib bid bii bin bio bir biy bna bnb bnd bni bnn bno bnr boa bob bod boi bon boo bor boy bra brb brd bri brn bro brr bry by- bya byd byi byn byo byr daa dab dad dai dan dao dar day dba dbb dbd dbi dbn dbo dbr dby dda ddb ddd ddi ddn ddo ddr ddy di- dia dib did dii din dio dir diy dna dnb dnd dni dnn dno dnr dny doa dob dod doi don doo dor doy dra drb drd dri drn dro drr dry dy- dya dyb dyd dyn dyo dyr dyy i-d ia- iaa iab iad iai ian iao iar iba ibb ibd ibi ibn ibo ibr iby ida idb idd idi idn ido idr idy iia iib iid iii iin iio iir in- ina inb ind ini inn ino inr iny io- ioa iob iod ioi ion ioo ior ir- ira irb ird iri irn iro irr iry iya iyo iyr iyy n-i naa nab nad nai nan nao nar nay nba nbb nbd nbi nbn nbo nbr nda ndb ndd ndi ndn ndo ndr ndy nia nib nid nii nin nio nir nna nnb nni nnn nno no- noa nob nod noi non noo nor noy nra nrb nrd nri nrn nro nrr nry nya nyd nyn nyo nyy o-i oaa oab oad oai oan oao oar ob- oba obb obd obi obn obo obr oby oda odb odd odi odn odo odr oia oib oid oii oin oio oir on- ona onb ond oni onn ono onr ony oo- ooa oob ood ooi oon ooo oor or- ora orb ord ori orn oro orr ory oya oyd oyi oyo ra- raa rab rad rai ran rao rar ray rba rbb rbd rbi rbn rbo rbr rda rdb rdd rdi rdn rdo rdr rdy ria rib rid rii rin rio rir riy rna rnb rnd rni rnn rno rnr rny roa rob rod roi ron roo ror roy rra rrb rrd rri rrn rrr ry- rya ryd ryn ryo ryr ryy yaa yab yad yai yan yao yar yay ybi ybr yby yda ydn ydo ydy yid yii yin yio yir yna ynd ynn yny yob yod yoi yon yoo yor yoy yra yrn yro yyb yyy