a-a a-b a-t aaa aab aad aan aao aar aat ab- aba abb abd abn abo abr abt ad- ada adb add adn ado adr adt an- ana anb and ann ano anr ant aoa aob aod aon aoo aor aot ar- ara arb ard arn aro arr art at- ata atb atd atn ato atr att baa bab bad ban bao bar bat bba bbb bbd bbn bbo bbr bbt bda bdb bdd bdo bdr bdt bna bnb bnd bnn bno bnr bnt boa bob bod bon boo bor bot bra brb brd brn bro brr brt bta btb btd btn bto btr btt daa dab dad dan dao dar dat dba dbb dbd dbn dbo dbr dbt dda ddb ddd ddn ddo ddr ddt dna dnb dnd dnn dno dnr dnt doa dob dod don doo dor dot dra drb drd drn dro drr drt dta dtb dtd dtn dto dtr dtt naa nab nad nan nao nar nat nba nbb nbd nbn nbo nbr nbt nda ndb ndd ndn ndo ndr ndt nna nnb nnn nno nnt no- noa nob nod non noo nor not nra nrb nrd nrn nro nrr nrt nta ntb ntd ntn nto ntr ntt oaa oab oad oan oao oar oat ob- oba obb obd obn obo obr obt oda odb odd odn odo odr odt on- ona onb ond onn ono onr ont oo- ooa oob ood oon ooo oor oot or- ora orb ord orn oro orr ort ot- ota otb otd otn oto otr ott ra- raa rab rad ran rao rar rat rba rbb rbd rbn rbo rbr rbt rda rdb rdd rdn rdo rdr rdt rna rnb rnd rnn rno rnr rnt roa rob rod ron roo ror rot rra rrb rrd rrn rrr rrt rta rtb rtd rtn rto rtr rtt taa tab tad tan tao tar tat tba tbb tbd tbn tbo tbr tbt tda tdb tdd tdn tdo tdr tdt tna tnb tnd tnn tno tnr tnt to- toa tob tod ton too tor tot tra trb trd trn tro trr trt tta ttb ttd ttn tto ttr ttt

-ana a-do aaaa aaab aaad aaan aaar aaba aabb aabd aabt aada aadt aana aand aaon aaoo aara aard aaro aart aata aatt abaa abab abad aban abar abat abb- abba abbb abbo abbr abbt abda abdo aboa abob abod abon aboo abor abot abra abro abta adaa adab adad adan adao adar adat adba adda addd addn addo addr adna adob adod adon adoo ador adot adra adro adta ana- anaa anab anad anan anao anar anat anba anbb anbo and- anda ando andr andt anna annb anno annt ano- anoa anod anon anor ant- anta anto antr antt aoba aonb aono aont aora aorb aorn aort aotd arab arad aran arar arat arba arda ardo arna arnd arno arnt aroa arob arod aron aroo aror arr- arra arro arrr arrt arta arto artr at-t ataa atab atad atan atar atat atdt atna atno atob atod aton ator atot atra atrn atro atta attn atto attr baaa baad baan baar baat baba babb babo babr bada badb badd bado badr bana band bann bano banr bant baon bar- bara barb bard barn baro barr bart bata batn bato batt bbad bbbb bbdd bbdo bd-r bdna bnor bnrr bnta boab boad boan boar boat boba bobb bobo boda bodb bodo bona bond bonn bono bont boob bood boon boor boot bor- bora bord born boro borr bort bota botb botd botn boto bott brab brad bran brao brat brda brdo brdt brna brno broa brob brod bron broo bror brot brrr btaa btan btdt btob btor btrt bttb d-bo d-na daab daad daan daar daba dabb dabo dabt dada dado dana dand dann dano danr dant daon dara darb dard darn daro darr dart data dato datr datt dbar dbrn dbtt dddd ddot dnaa dnab dnad dnan dnat dntt doab doan doar doat doba dobb dod- doda dodd dodo dona dond donn dono donr dont doob dood doon door doot dora dord dorn doro dorr dort dota dotd doto dott draa drab drad drar drat drba drda drna drno drob drod dron drot drra dtaa dtna dtnb dtor dtot naaa naab naad naan naar naat naba nabo nada nadr nan- nana nanb nand nann nano nant naor naot nara nard narn naro narr nart nata nato natt nbaa nbad nbar nbbo ndaa ndao nddb nddo ndna ndnt ndor nndb nnnn nnot nntn noaa noat noba nobo noda nodo non- nona nonn nono nont noo- noob noon nooo noor noot nor- nora norb nord norn noro norr nort not- nota noto nott nrab nrna nron nrrd nrta ntnd ntto nttr oara obad oban obba obbo obdt obon obor obot obra obro obtd odbo odda oddd odnb odon odoo odor odot odra onab onan onar onat onda ondo onna onno onod onon onor onra ont- onto ooaa ooba ooda oona oont oooo oora oord oort ootb orab orad oran orao orar orat orba orbb orbo orda ordn ordo orna orno oro- oron oror orot orra orro orta orto otan otar otbd oto- oton otoo otor otra otro otta otto raab raad raan raat raba rabb rabo rada radd rado radr radt rana rand rann rano rant raob rara rarb raro rata rato ratt rbbb rbbr rdna rnbr rnnt rnod rnot rntd roab road roan roar roat rob- roba robb robo robt roda rodd rodo rona rond rono ront roob rood roon roor root rora roro rort rota rotn roto rotr rott rrad rrat rrna rrrr rtan rtdt rtnd taa- taan taar taat taba tabb tabo tada tado tana tand tann tano tant taoa taor tara tarb tard tarn taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta tddb tdna tdor tdra tndd toab toad toan toat toba tobo tobt toda todd todo todt tona tonb tonn tono tooa tood toon toor toot tora tord torn toro torr tort tota totd toto totr tott traa trab