a-a a-b a-i a-t aaa aab aai aan aao aar aat ab- aba abb abi abn abo abr abt ai- aia aib aii ain aio air ait an- ana anb ani ann ano anr ant aoa aob aoi aon aoo aor aot ar- ara arb ari arn aro arr art at- ata atb ati atn ato atr att baa bab bai ban bao bar bat bba bbb bbi bbn bbo bbr bbt bi- bia bib bii bin bio bir bit bna bnb bni bnn bno bnr bnt boa bob boi bon boo bor bot bra brb bri brn bro brr brt bta btb bti btn bto btr btt ia- iaa iab iai ian iao iar iat iba ibb ibi ibn ibo ibr ibt iia iib iii iin iio iir iit in- ina inb ini inn ino inr int io- ioa iob ioi ion ioo ior iot ir- ira irb iri irn iro irr irt ita itb iti itn ito itt n-i naa nab nai nan nao nar nat nba nbb nbi nbn nbo nbr nbt nia nib nii nin nio nir nit nna nnb nni nnn nno nnt no- noa nob noi non noo nor not nra nrb nri nrn nro nrr nrt nta ntb nti ntn nto ntr ntt o-i oaa oab oai oan oao oar oat ob- oba obb obi obn obo obr obt oia oib oii oin oio oir oit on- ona onb oni onn ono onr ont oo- ooa oob ooi oon ooo oor oot or- ora orb ori orn oro orr ort ot- ota otb oti otn oto otr ott ra- raa rab rai ran rao rar rat rba rbb rbi rbn rbo rbr rbt ria rib rii rin rio rir rit rna rnb rni rnn rno rnr rnt roa rob roi ron roo ror rot rra rrb rri rrn rrr rrt rta rtb rti rtn rto rtr rtt taa tab tai tan tao tar tat tba tbb tbi tbn tbo tbr tbt tia tib tii tin tio tir tit tna tnb tni tnn tno tnr tnt to- toa tob toi ton too tor tot tra trb tri trn tro trr trt tta ttb tti ttn tto ttr ttt

-ana a-ii aaaa aaab aaai aaan aaar aaba aabb aabi aabt aaib aaii aain aana aani aaon aaoo aara aari aaro aart aata aatt abaa abab abai aban abar abat abb- abba abbb abbi abbo abbr abbt abia abib abin abir abit aboa abob abon aboo abor abot abra abri abro abta aiai aian aiba aibn aibo aiia aiib aiin aiir aina aini aino aint aioi aion aira airi airo airt aita aiti aitr aitt ana- anaa anab anai anan anao anar anat anba anbb anbi anbo ania anib anin anio anir anit anna annb anni anno annt ano- anoa anon anor anri ant- anta anti anto antr antt aoba aonb aono aont aora aorb aorn aort arab arai aran arar arat arba arbi aria arib arii arin ario arit arna arni arno arnt aroa arob aroi aron aroo aror arr- arra arri arro arrr arrt arta arti arto artr at-t ataa atab atai atan atar atat atia atin atit atna atno atob atoi aton ator atot atra atri atrn atro atta atti attn atto attr ba-i baaa baan baar baat baba babb babi babo babr baia baib bain baio bair bait bana bani bann bano banr bant baon bar- bara barb bari barn baro barr bart bata bati batn bato batt bbbb bbin bian biao biar biat biba bibb bibi bibo biin bin- bina bini binn bino bint bio- bioi bion biot bira birb biri birn biro birr birt bita bito bitt bnai bnib bnin bnor bnrr bnta boab boai boan boar boat boba bobb bobi bobo boi- boii boin boit bona boni bonn bono bont boob boon boor boot bor- bora bori born boro borr bort bota botb boti botn boto bott brab brai bran brao brat bria brin brio brit brna brno broa brob bron broo bror brot brrr btaa btan btob btor btrt bttb i-no iaaa iaai iaat iaba iaia iain iana iara iart iata iati iban ibar ibat ibia ibon ibot ibra ibri ibro ibtb iiii iiio iiit iino iioi iioo iira iita iitr iitt inab inai inan inao inar inat inba inbo inia init inna inni inno innr ino- inoi inon inor inot inra inri inro inta inti intn into intr ioan ioba iobi ioii ioio ioit iona ioni ionn iono iooi iooo iora iori iota ioto irai iran irao irar iri- iria irin irio irna irob iron irra irri irta irti itaa itai itan itar itat itia itin itno itoi iton itoo itor itra itri itta itto n-ii naaa naab naai naan naar naat naba nabi nabo naia naib nain naio nair nait nan- nana nanb nani nann nano nant naoi naor naot nara nari narn naro narr nart nata nati nato natt nbaa nbar nbbo nbia nbti niab nian nibi nibo niia niir niit nina nini nino nion nioo nira niro nirt nita nitb niti nito nitr nnit nnnn nnot nntn noaa noat noba nobi nobo noia noib noin noio noir noit non- nona noni nonn nono nont noo- noob noon nooo noor noot nor- nora norb nori norn noro norr nort not- nota noti noto nott nrab nrna nron nrta ntia ntto nttr oara obai oban obba obbo obia obin obit oboi obon obor obot obra obri obro oiba oiii oint oion oira oirt oita oiti onab onan onar onat onia onir onit onna onni onno onon onor onra ont- onti onto ooaa ooba oobi ooia oona oont oooo oora oort ootb orab orai oran orao orar orat orba orbb orbi orbo ori- oria orin orio orit orna orni orno oro- oron oror orot orra orri orro orta orto otan otar otin otit oto- oton otoo otor otra otro otta otti otto raab raan raat raba rabb rabi rabo raia raii rain rair rait rana rani rann rano rant raob rara rarb rari raro rata rati rato