a-a a-b a-i aaa aab aaf aai aam aan aao aar ab- aba abb abf abi abm abn abo abr af- afa afb aff afi afm afn afo afr ai- aia aib aif aii aim ain aio air ama amb amf ami amm amn amo amr an- ana anb anf ani anm ann ano anr aoa aob aof aoi aom aon aoo aor ar- ara arb arf ari arm arn aro arr baa bab baf bai bam ban bao bar bba bbb bbf bbi bbm bbn bbo bbr bfa bfb bff bfi bfm bfn bfo bfr bi- bia bib bif bii bim bin bio bir bma bmb bmf bmi bmm bmn bmo bmr bna bnb bnf bni bnn bno bnr boa bob bof boi bom bon boo bor bra brb brf bri brm brn bro brr faa fab faf fai fam fan fao far fba fbb fbf fbi fbm fbn fbo fbr ffa fff ffi ffm ffn ffo ffr fia fib fif fii fim fin fir fma fmb fmf fmi fmm fmn fmo fmr fna fnb fnf fni fnm fnn fnr foa fob fof foi fom fon foo for fra frb frf fri frm frn fro frr i-f ia- iaa iab iaf iai iam ian iao iar iba ibb ibf ibi ibm ibn ibo ibr ifa ifb iff ifi ifm ifn ifo ifr iia iib iif iii iim iin iio iir im- ima imb imf imi imm imn imo in- ina inb inf ini inm inn ino inr io- ioa iob iof ioi iom ion ioo ior ir- ira irb irf iri irm irn iro irr m-f m-o m-r maa mab maf mai mam man mao mar mba mbb mbf mbi mbm mbo mbr mfa mfb mff mfi mfm mfn mfo mfr mi- mia mib mif mii mim min mio mir mma mmb mmf mmi mmm mmn mmo mmr mna mnb mnf mni mnm mnn mno mnr moa mob mof moi mom mon moo mor mra mrb mrf mri mrm mrn mro mrr n-i naa nab naf nai nam nan nao nar nba nbb nbf nbi nbm nbn nbo nbr nfa nfb nff nfi nfn nfo nfr nia nib nif nii nim nin nio nir nma nmb nmi nmm nmn nmo nmr nna nnb nnf nni nnm nnn nno no- noa nob nof noi nom non noo nor nra nrb nrf nri nrm nrn nro nrr o-i oaa oab oaf oai oam oan oao oar ob- oba obb obf obi obm obn obo obr of- ofa ofb off ofi ofm ofn ofo ofr oia oib oif oii oim oin oio oir om- oma omb omf omi omm omn omo omr on- ona onb onf oni onn ono onr oo- ooa oob oof ooi oom oon ooo oor or- ora orb orf ori orm orn oro orr ra- raa rab raf rai ram ran rao rar rba rbb rbf rbi rbm rbn rbo rbr rfa rfb rff rfi rfm rfn rfo rfr ria rib rif rii rim rin rio rir rma rmb rmf rmi rmm rmn rmo rmr rna rnb rni rnm rnn rno rnr roa rob rof roi rom ron roo ror rra rrb rrf rri rrm rrn rrr

-ana a-ii aaaa aaab aaaf aaai aaam aaan aaar aaba aabb aabi aabm aafa aafb aaff aafi aaib aaii aain aama aamb aami aamn aamo aamr aana aani aaon aaoo aara aari aarm aaro abaa abab abaf abai abam aban abar abb- abba abbb abbi abbo abbr abff abia abib abim abin abir abma abmb aboa abob abof abon aboo abor abra abri abro afaa afam afan afao afar affa affi affo afia afib afif afin afir afma afoa afoo afor afr- afra afri afrm afro aiai aian aiba aibn aibo aiff aiia aiib aiin aiir aimi aimm aimo aina aini aino aioi aion aira airi airo amaa amai amam aman amar amb- amba ambi ambn ambo ambr amfm amfr amia amib amif amii amin amir amm- amma ammi ammo amni amno amob amof amoi amon amoo amor amra amri amro ana- anaa anab anai anam anan anao anar anba anbb anbi anbo anfa anfo ania anib anif anim anin anio anir anma anna annb anni anno ano- anoa anom anon anor anri aoba aoma aonb aono aora aorb aorn arab araf arai aram aran arar arba arbi arfa arfb arff aria arib arif arii arim arin ario arma armi armm armo arna arni arno aroa arob aroi arom aron aroo aror arr- arra arri arro arrr ba-i baaa baaf baam baan baar baba babb babi babm babo babr baff bafo baia baib bain baio bair bama bamb bamf bami bamm bamn bana bani bann bano banr baon bar- bara barb barf bari barm barn baro barr bbbb bbfn bbin biaf bian biao biar biba bibb bibi bibo bifa biff bifi biin bima bimo bin- bina bini binn bino bio- bioi bion bira birb biri birn biro birr bmaa bman bmir bmmi bnai bnib bnim bnin bnor bnrr boab boai boan boar boba bobb bobi bobo bofa boff boi- boii boim boin boma bomb bomi bona boni bonn bono boob boof boom boon boor bor- bora borf bori borm born boro borr brab braf brai bram bran brao brfm bria brim brin brio brna brno broa brob brom bron broo bror brrm brrr faaa faam faan faba fabi fabm fabo fafa faff fafi fafo faim fain faio fair fama fami famo fana fani fano faon fara farb farm faro farr fbar fbom ffar ffff ffii ffrr fiaa fiaf fian fiar fiba fifa fiff fifi fifm fifo fiii fima fimo fimr fina fini finn fino fion fior fira firm firn fman fmno fmri fnar fnma foaf foam foan foar foba fofo foia foin foma fomo fono foof foom foon for- fora forb fori form forn foro forr frab fram fran fria frib frim frin frio frmn frob from fron i-no iaaa iaai iaba iabm iaff iaia iaim iain iama iamb iami iana iara iban ibar ibbm ibfi ibia ibim ibma ibon ibra