a-a a-b a-c aaa aab aac aad aan aar ab- aba abb abc abd abn abr ac- aca acb acc acd acn acr ad- ada adb adc add adn adr an- ana anb anc and ann anr ar- ara arb arc ard arn arr baa bab bac bad ban bar bba bbb bbc bbd bbn bbr bca bcb bcc bcd bcn bcr bda bdb bdc bdd bdr bna bnb bnc bnd bnn bnr bra brb brd brn brr c-- caa cab cac cad can car cba cbb cbc cbd cbn cbr cca ccb ccc ccd ccn ccr cda cdb cdc cdd cdn cdr cn- cna cnb cnc cnd cnn cnr cra crb crc crd crn crr daa dab dac dad dan dar dba dbb dbc dbd dbn dbr dca dcb dcc dcd dcn dcr dda ddb ddc ddd ddn ddr dna dnb dnc dnd dnn dnr dra drb drc drd drn drr naa nab nac nad nan nar nba nbb nbc nbd nbn nbr nca ncb ncc ncd ncn ncr nda ndb ndc ndd ndn ndr nna nnb nnc nnn nra nrb nrc nrd nrn nrr ra- raa rab rac rad ran rar rba rbb rbc rbd rbn rbr rca rcb rcc rcd rcn rcr rda rdb rdc rdd rdn rdr rna rnb rnc rnd rnn rnr rra rrb rrc rrd rrn rrr

-ana aaaa aaab aaac aaad aaan aaar aaba aabb aabc aabd aaca aacb aacc aacd aacn aacr aada aadc aana aand aara aarc aard abaa abab abac abad aban abar abb- abba abbb abbr abca abcb abcc abcd abcn abcr abda abra abrc acaa acab acac acad acan acar acba acca accc accd acda acdb acdc acr- acra acrc acrr adaa adab adac adad adan adar adba adbc adcc adda addc addd addn addr adna adra ana- anaa anab anac anad anan anar anba anbb anca ancc and- anda andr anna annb anrc arab arac arad aran arar arba arc- arca arda ardc arna arnd arr- arra arrc arrr baaa baad baan baar baba babb babr bac- baca bacc bacn bada badb badd badr bana banc band bann banr bar- bara barb barc bard barn barr bbad bbbb bbdd bbrc bcaa bcar bcbc bcca bccc bcda bcra bd-r bdbc bddc bdna bnrr brab brac brad bran brca brcb brda brna brrr c-cd caaa caab caac caan caba cac- caca cacc cacr cada cadc cadd cadr cana canc cand cann cara carb carc card carn carr cbac cbar cbbc cbca cbcc cbcn cbcr cbdb cbdc cbdn cbna cbnd cbrd cbrn ccaa ccab ccac ccad ccar ccba ccbc ccbn ccca cccb cccc ccdc ccdn ccdr ccna ccnb ccnc ccnr ccra ccrc cd-r cdaa cdac cdad cdba cdda cddb cddr cdna cdnb cdnc cnaa cnac cnbc cnda cndd cnna cnrc cnrr crab crac cran crar crbc crca crcc crcr crda crdc crna d-na daab daad daan daar daba dabb daca dada dana dand dann danr dara darb darc dard darn darr dbar dbcc dbrn dcbc dcca dccb dccc dcdb dcra dddd ddrc dnaa dnab dnac dnad dnan dnrc draa drab drac drad drar drba drbc drca drda drna drra naaa naab naac naad naan naar naba nabc naca nacc nacd nada nadc nadr nan- nana nanb nand nann nara narc nard narn narr nbaa nbad nbar nbbc nbca nbcc ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncda ncdc ncdn ncdr ncna ncnc ncnd ncra ncrc ndaa ndcc nddb ndna ndrc nndb nnnn nrab nrca nrdc nrna nrrc nrrd raab raad raan raba rabb rac- raca racc rada radc radd radr rana ranc rand rann rara rarb rbbb rbbr rcac rcbc rccb rccc rcdc rcnr rcrd rdac rdna rnbr rndc rrad rrna rrrr

-aaa- -abad a-dna aaadc aaarc aabaa aabba aabra aacbc aadac aandr aarna abaab ababa abaca abada abana abanc aband abann abara abarn abbac abbad abban abbar abcan abccc abcdb abdan abrac abrad abran abrar acaca acacb acana acar- acara acard accad accra accrd acdnr acrab adaba adada adana adanc adara adarn addra adnan adrad adran adrar anaba anana anand anara anban anbar ancar andab andac andad andan andar andr- andra annan annar anncr ar-ab ara-c arab- araba araca arada arana aranc arand arara arbab arbar arcan ardab ardan ardra arnac arnad arnan arnar arran b-dna baard baarn baban babar babra bacab bacar bacca badan badar badna badra banan banar banba banca banda bandb bandn banna baraa barab barac barad baran barar barba barca barda barna barra braca bracc brada brana branc brand brann brard brdda brrar brrrr c-a-c c-dna c-ran ca-ca caaan caaba caban cabra cadac cadar caddr cadra canan canar canda canna caraa carab carac carad carb- carda carna carra ccand ccccc cdand cnnnn craba crabb crada cradd cran- crana crann crcna crnac crnca d-a-d d-rad daada daana daara daban dabar dabba dabra dacca dadar dadda dadna dadra danan danda dandd danna daraa darab darba darda darna darra dccab ddddd draba draca naban nabar nabba nacaa nacac nacar nacba naccc nacda nacna nadab nadan nadar nanan nanda nann- nanna naran narc- narda narra ndana ra-ra raaba raard rabab rabac rabad raban rabba rabda racan radan radar ran-d ranac ranca randa randb randd randr ranna rannc rccar rrand

aaaaba aanaar abaana ababda abacab abadan abanar abanca abanda abaran abarca abbana acanda accara adanac adaran adarna adarra addada adrana adrara anaana anabaa anabad anabar anacda anadan ananab ananda anaran ancara andada andara andard annaba annada annand araban aracar aradac aradan aranca aranda ararad arband arbra arcada arcana arcand ardana ardara arnaba arnara arraba arrand baabaa baabar baabda babana babarc babbar bacaba baccar badara badbad badbar badr-b badran banaba banana banara banbar bandan bandar bandra bannan bannar baraan baraca barada barana barand barara barbad barban barbar barbra barcar bardan bardar barrad barran bbbbbb bracca branca branna brncrd c-anca cabaan cabana cabar cabara cabarr cabban cadaba cadca canaa canaan canaba canada canara canard canbar cancan cancar candan candar candra cannan caraca carana carara carcan carcar cardan carnac carnan carran cccdna cracca dababa dabaca dabara dabdab dadaab dadada dadara dadnab