-ana a-do aaaa aaab aaac aaad aaan aaar aaba aabb aabc aabd aabt aaca aacb aacc aacd aacn aaco aacr aact aada aadc aadt aana aand aaon aaoo aara aarc aard aaro aart aata aatc aatt abaa abab abac abad aban abar abat abb- abba abbb abbo abbr abbt abca abcb abcc abcd abcn abcr abct abda abdo aboa abob abod abon aboo abor abot abra abrc abro abta ac-t acaa acab acac acad acan acar acat acba acca accc accd acco acct acda acdb acdc acdt acoa acod acon acor acot acr- acra acrc acro acrr acta actc acto actt adaa adab adac adad adan adao adar adat adba adbc adcc adda addc addd addn addo addr adna adob adoc adod adon adoo ador adot adra adro adta ana- anaa anab anac anad anan anao anar anat anba anbb anbo anca ancc anco anct and- anda ando andr andt anna annb anno annt ano- anoa anod anon anor anrc ant- anta anto antr antt aoba aoca aonb aono aont aora aorb aorn aort aotc aotd arab arac arad aran arar arat arba arc- arca arco arct arda ardc ardo arna arnd arno arnt aroa arob arod aron aroo aror arr- arra arrc arro arrr arrt arta artc arto artr at-t ataa atab atac atad atan atar atat atca atcc atco atcr atdt atna atno atob atoc atod aton ator atot atra atrc atrn atro atta attn atto attr baaa baad baan baar baat baba babb babo babr bac- baca bacc bacn baco bact bada badb badd bado badr bana banc band bann bano banr bant baon bar- bara barb barc bard barn baro barr bart bata batc batn bato batt bbad bbbb bbdd bbdo bbrc bcaa bcar bcat bcbc bcca bccc bcda bcor bcra bctc bd-r bdbc bddc bdna bnoc bnor bnrr bnta boab boac boad boan boar boat boba bobb bobo boca boco boda bodb bodo bona bonc bond bonn bono bont boob booc bood boon boor boot bor- bora bord born boro borr bort bota botb botd botn boto bott brab brac brad bran brao brat brca brcb brda brdo brdt brna brno broa brob broc brod bron broo bror brot brrr brtc btaa btan btcc btdt btob btor btrc btrt bttb c-bo c-cd caaa caab caac caan caat caba cabo cac- caca cacc caco cacr cada cadc cadd cado cadr cana canc cand cann cano cant caod caor cara carb carc card carn caro carr cart cat- cata catb catc catd cato catt cbac cbar cbat cbbc cbca cbcc cbcn cbcr cbct cbdb cbdc cbdn cbdo cbna cbnd cbot cbrd cbrn cbrt cbta cbtc ccaa ccab ccac ccad ccar ccat ccba ccbc ccbn ccca cccb cccc ccdc ccdn ccdr ccna ccnb ccnc ccnr ccob ccoc ccod ccra ccrc ccrt cctb cctc cctt cd-r cdaa cdac cdad cdba cdda cddb cddr cdna cdnb cdnc cdon cdot cnaa cnac cnbc cnco cnda cndd cnna cnrc cnrr cnrt cnta cntc cntr coad coan coat coba cobb cobo coca coco coct coda codd con- cona conc cond conn cono cont coob cood coon coot cor- cora corb corc cord corn coro corr cort cota cotb cotc cotn coto cott crab crac cran crar crat crbc crca crcc crcr crda crdc crna crob croc crod cron croo cror crot crrt crtc ctab ctan ctba ctca ctor ctot ctrc ctrn ctta cttn d-bo d-na daab daad daan daar daba dabb dabo dabt daca dact dada dado dana dand dann dano danr dant daon dara darb darc dard darn daro darr dart data dato datr datt dbar dbcc dbrn dbtt dcbc dcca dccb dccc dcct dcdb dcon dcra dctc dddd ddoc ddot ddrc dnaa dnab dnac dnad dnan dnat dnoc dnrc dntt doab doan doar doat doba dobb doca doco doct dod- doda dodd dodo dona donc dond donn dono donr dont doob dood doon door doot dora dorc dord dorn doro dorr dort dota dotd doto dott draa drab drac drad drar drat drba drbc drca drda drna drno drob drod dron drot drra dtaa dtac dtcc dtna dtnb dtor dtot naaa naab naac naad naan naar naat naba nabc nabo naca nacc nacd naco nada nadc nadr nan- nana nanb nand nann nano nant naoc naor naot nara narc nard narn naro narr nart nata natc nato natt nbaa nbad nbar nbbc nbbo nbca nbcc nbco ncaa ncac ncar ncat ncba ncbc ncca nccc nccn nccr ncct ncda ncdc ncdn ncdr ncna ncnc ncnd ncoa ncoc ncor ncra ncrc ncta nctc nctr ndaa ndao ndcc nddb nddo ndna ndnt ndoc ndor ndrc ndtc nndb nnnn nnot nntn noaa noac noat noba nobc nobo noco noct noda nodo non- nona nonn nono nont noo- noob noon nooo noor noot nor- nora norb norc nord norn noro norr nort not- nota noto nott nrab nrca nrdc nrna nroc nron nrrc nrrd nrta ntbc ntcc ntnd ntrc ntto nttr oara obad oban obba obbo obdt obon obor obot obra obro obtd ocab ocac ocad ocan ocat ocbc occa occc occn occt ocna ocon ocra ocro ocrr oct- octa octo odac odbo odda oddd odnb odon odoo odor odot odra onab onan onar onat onc- onca oncd onco onct onda ondo onna onno onod onon onor onra ont- ontc onto ooaa ooba oocr ooda oona oont oooo oora oord oort ootb orab orac orad oran orao orar orat orba orbb orbo orca orco orda ordn ordo orna ornc orno oro- oron oror orot orra orro orta ortc orto otac otan otar otbd otcd oto- oton otoo otor otra otro otta otto raab raad raan raat raba rabb rabo rac- raca racc raco ract rada radc radd rado radr radt rana ranc rand rann rano rant raob raoc rara rarb raro rata rato ratt rbbb rbbr rcac rcbc rcbo rccb rccc rcdc rcnr rcon rcrd rctc rdac rdna rdoc rnbr rnco rndc rnnt rnod rnot rntd roab road roan roar roat rob- roba robb robo robt roca rocc roco roda rodd rodo rona ronc rond rono