a-a a-b a-i aaa aab aai aam aan aao aar aay ab- aba abb abi abm abn abo abr aby ai- aia aib aii aim ain aio air aiy ama amb ami amm amn amo amr amy an- ana anb ani anm ann ano anr any aoa aob aoi aom aon aoo aor ar- ara arb ari arm arn aro arr ary ay- aya ayi ayn ayo ayr baa bab bai bam ban bao bar bay bba bbb bbi bbm bbn bbo bbr bby bi- bia bib bii bim bin bio bir biy bma bmb bmi bmm bmn bmo bmr bna bnb bni bnn bno bnr boa bob boi bom bon boo bor boy bra brb bri brm brn bro brr bry by- bya byi bym byn byo byr ia- iaa iab iai iam ian iao iar iba ibb ibi ibm ibn ibo ibr iby iia iib iii iim iin iio iir im- ima imb imi imm imn imo imy in- ina inb ini inm inn ino inr iny io- ioa iob ioi iom ion ioo ior ir- ira irb iri irm irn iro irr iry iya iym iyo iyr iyy m-o m-r maa mab mai mam man mao mar may mba mbb mbi mbm mbo mbr mi- mia mib mii mim min mio mir miy mma mmb mmi mmm mmn mmo mmr mna mnb mni mnm mnn mno mnr moa mob moi mom mon moo mor moy mra mrb mri mrm mrn mro mrr mry my- mya myb mym myn myo myr n-i naa nab nai nam nan nao nar nay nba nbb nbi nbm nbn nbo nbr nia nib nii nim nin nio nir nma nmb nmi nmm nmn nmo nmr nna nnb nni nnm nnn nno no- noa nob noi nom non noo nor noy nra nrb nri nrm nrn nro nrr nry nya nym nyn nyo nyy o-i oaa oab oai oam oan oao oar ob- oba obb obi obm obn obo obr oby oia oib oii oim oin oio oir om- oma omb omi omm omn omo omr omy on- ona onb oni onn ono onr ony oo- ooa oob ooi oom oon ooo oor or- ora orb ori orm orn oro orr ory oya oyi oyo ra- raa rab rai ram ran rao rar ray rba rbb rbi rbm rbn rbo rbr ria rib rii rim rin rio rir riy rma rmb rmi rmm rmn rmo rmr rna rnb rni rnm rnn rno rnr rny roa rob roi rom ron roo ror roy rra rrb rri rrm rrn rrr ry- rya rym ryn ryo ryr ryy yaa yab yai yam yan yao yar yay ybi ybm ybr yby yii yim yin yio yir yma ymi ymm ymo yna ynn yny yob yoi yom yon yoo yor yoy yra yrn yro yyb yyy