a-a a-b a-i a-t aaa aab aai aan aao aar aas aat ab- aba abb abi abn abo abr abs abt ai- aia aib aii ain aio air ais ait an- ana anb ani ann ano anr ans ant aoa aob aoi aon aoo aor aos aot ar- ara arb ari arn aro arr ars art as- asa asb asi asn aso asr ass ast at- ata atb ati atn ato atr ats att baa bab bai ban bao bar bas bat bba bbb bbi bbn bbo bbr bbs bbt bi- bia bib bii bin bio bir bis bit bna bnb bni bnn bno bnr bns bnt boa bob boi bon boo bor bos bot bra brb bri brn bro brr brs brt bsa bsb bsi bsn bso bsr bss bst bta btb bti btn bto btr bts btt ia- iaa iab iai ian iao iar ias iat iba ibb ibi ibn ibo ibr ibs ibt iia iib iii iin iio iir iis iit in- ina inb ini inn ino inr ins int io- ioa iob ioi ion ioo ior ios iot ir- ira irb iri irn iro irr irs irt is- isa isb isi isn iso isr iss ist ita itb iti itn ito its itt n-i naa nab nai nan nao nar nas nat nba nbb nbi nbn nbo nbr nbs nbt nia nib nii nin nio nir nis nit nna nnb nni nnn nno nns nnt no- noa nob noi non noo nor nos not nra nrb nri nrn nro nrr nrs nrt nsa nsb nsi nsn nso nsr nss nst nta ntb nti ntn nto ntr nts ntt o-i oaa oab oai oan oao oar oas oat ob- oba obb obi obn obo obr obs obt oia oib oii oin oio oir ois oit on- ona onb oni onn ono onr ons ont oo- ooa oob ooi oon ooo oor oos oot or- ora orb ori orn oro orr ors ort os- osa osb osi osn oso osr oss ost ot- ota otb oti otn oto otr ots ott ra- raa rab rai ran rao rar ras rat rba rbb rbi rbn rbo rbr rbs rbt ria rib rii rin rio rir ris rit rna rnb rni rnn rno rnr rns rnt roa rob roi ron roo ror ros rot rra rrb rri rrn rrr rrs rrt rsa rsb rsi rsn rso rsr rss rst rta rtb rti rtn rto rtr rts rtt saa sab sai san sao sar sas sat sba sbb sbi sbn sbo sbr sbs sbt sia sib sii sin sio sir sis sit sna snb sni snn sno snr sns snt soa sob soi son soo sor sos sot sr- sra srb sri srn sro srr srs srt ss- ssa ssb ssi ssn sso ssr sss sst sta stb sti stn sto str sts stt taa tab tai tan tao tar tas tat tba tbb tbi tbn tbo tbr tbs tbt tia tib tii tin tio tir tis tit tna tnb tni tnn tno tnr tns tnt to- toa tob toi ton too tor tos tot tra trb tri trn tro trr trs trt tsa tsb tsi tsn tso tsr tss tst tta ttb tti ttn tto ttr tts ttt

-ana a-ii aaaa aaab aaai aaan aaar aaas aaba aabb aabi aabt aaib aaii aain aais aana aani aaon aaoo aara aari aaro aars aart aasa aasi aass aast aata aatt abaa abab abai aban abar abas abat abb- abba abbb abbi abbo abbr abbs abbt abia abib abin abir abis abit aboa abob abon aboo abor abos abot abra abri abro abrs abs- absa absi abss abta abts aiai aian aias aiba aibn aibo aiia aiib aiin aiir aina aini aino ains aint aioi aion aira airi airo airs airt aisa aisb aisi aiso aisr aist aita aiti aitr aits aitt ana- anaa anab anai anan anao anar anas anat anba anbb anbi anbo ania anib anin anio anir anis anit anna annb anni anno anns annt ano- anoa anon anor anos anri ansa ansi anso ant- anta anti anto antr ants antt aoba aonb aono aont aora aorb aorn aors aort aoss arab arai aran arar aras arat arba arbi arbs aria arib arii arin ario aris arit arna arni arno arns arnt aroa arob aroi aron aroo aror aros arr- arra arri arro arrr arrs arrt ars- arsa arsi arso arst arta arti arto artr arts asaa asab asai asan asao asar asas asat asba asbo asia asii asin asio asir asis asit asni asno asob asoi ason asor asos asot asra asro asrs assa assi assn asso assr asss asst asta astb asti asto astr asts at-t ataa atab atai atan atar atas atat atbs atia atin atis atit atna atno atns atob atoi aton ator atos atot atra atri atrn atro atsb atsi atst atta atti attn atto attr atts ba-i baaa baan baar baas baat baba babb babi babo babr babs baia baib bain baio bair bais bait bana bani bann bano banr bans bant baon baos bar- bara barb bari barn baro barr bars bart basa basi baso bass bast bata bati batn bato bats batt bbas bbbb bbbs bbin bian biao biar bias biat biba bibb bibi bibo bibs biin biis bin- bina bini binn bino bins bint bio- bioi bion bios biot bira birb biri birn biro birr birs birt bis- bisa biso biss bist bita bito bits bitt bnai bnas bnib bnin bnor bnrr bnss bnta boab boai boan boar boas boat boba bobb bobi bobo bobs boi- boii boin bois boit bona boni bonn bono bons bont boob boon boor boos boot bor- bora bori born boro borr bors bort bosa bosi bosn boso boss bost bota botb boti botn boto bots bott brab brai bran brao bras brat bria brin brio bris brit brna brno brns broa brob bron broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsin bsns bson bsos bsra bsts btaa btan btob