a-a a-b a-c aaa aab aac aad aag aah aan aar ab- aba abb abc abd abg abh abn abr ac- aca acb acc acd acg ach acn acr ad- ada adb adc add adg adh adn adr ag- aga agb agc agd agg agh agn agr aha ahb ahc ahd ahg ahh ahn ahr an- ana anb anc and ang anh ann anr ar- ara arb arc ard arg arh arn arr baa bab bac bad bag bah ban bar bba bbb bbc bbd bbg bbh bbn bbr bca bcb bcc bcd bcg bch bcn bcr bda bdb bdc bdd bdg bdh bdr bga bgb bgc bgd bgg bgh bgn bgr bha bhb bhc bhd bhg bhh bhr bna bnb bnc bnd bng bnn bnr bra brb brd brg brh brn brr c-- caa cab cac cad cag cah can car cba cbb cbc cbd cbg cbh cbn cbr cca ccb ccc ccd ccg cch ccn ccr cda cdb cdc cdd cdg cdh cdn cdr cga cgb cgc cgd cgg cgh cgn cgr ch- cha chb chc chd chg chh chn chr cn- cna cnb cnc cnd cng cnh cnn cnr cra crb crc crd crg crh crn crr daa dab dac dad dag dah dan dar dba dbb dbc dbd dbg dbh dbn dbr dca dcb dcc dcd dcg dcn dcr dda ddb ddc ddd ddg ddh ddn ddr dga dgc dgd dgg dgh dgn dgr dh- dha dhb dhc dhd dhh dhr dna dnb dnc dnd dng dnh dnn dnr dra drb drc drd drg drn drr g-d gaa gab gac gad gag gah gan gar gba gbc gbd gbg gbh gbn gbr gca gcb gcc gcd gcg gch gcn gcr gda gdb gdc gdd gdh gdn gdr gga ggb ggc ggd ggg ggh ggn ggr gha ghb ghc ghd ghg ghh ghn ghr gna gnb gnc gnd gnn gnr gra grb grc grd grg grh grn grr haa hab hac had hag hah han har hba hbb hbc hbd hbg hbh hbn hbr hca hcb hcc hcd hcg hch hcn hcr hda hdb hdc hdd hdg hdh hdn hdr hga hgb hgc hgg hgh hgn hgr hha hhb hhc hhd hhg hhh hhn hhr hna hnb hnc hnd hng hnh hnn hr- hra hrb hrc hrd hrg hrh hrn hrr naa nab nac nad nag nah nan nar nba nbb nbc nbd nbg nbn nbr nca ncb ncc ncd ncg nch ncn ncr nda ndb ndc ndd ndg ndh ndn ndr nga ngb ngc ngd ngg ngh ngn nha nhb nhc nhd nhg nhh nhn nhr nna nnb nnc nng nnh nnn nra nrb nrc nrd nrg nrn nrr ra- raa rab rac rad rag rah ran rar rba rbb rbc rbd rbg rbh rbn rbr rca rcb rcc rcd rcg rch rcn rcr rda rdb rdc rdd rdg rdh rdn rdr rga rgb rgc rgd rgg rgh rgn rgr rh- rha rhb rhc rhd rhg rhh rhn rhr rna rnb rnc rnd rng rnh rnn rnr rra rrb rrc rrd rrg rrh rrn rrr

-ana a-ha aaaa aaab aaac aaad aaah aaan aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aacn aacr aada aadc aagh aaha aana aand aang aara aarc aard abaa abab abac abad abag aban abar abb- abba abbb abbr abca abcb abcc abcd abch abcn abcr abda abgd abha abhr abra abrc acaa acab acac acad acag acan acar acba acca accc accd acch acda acdb acdc acga acgr acha achh achr acr- acra acrc acrr adaa adab adac adad adag adah adan adar adba adbc adcc adda addc addd addn addr adha adhd adhn adna adra agac agad agag agan agar agba agca agcc agda agga agha agna agra ahab ahac ahad ahah ahar ahha ahra ahrc ahrr ana- anaa anab anac anad anag anah anan anar anba anbb anca ancc and- anda andh andr ang- anga anha anna annb anrc arab arac arad arag arah aran arar arba arbh arc- arca arch arda ardc arga argb argh arh- arna arnd arng arr- arra arrc arrg arrh arrr baaa baad baah baan baar baba babb babr bac- baca bacc bach bacn bada badb badd badh badr baga bagg bagh bagn baha bahn bahr bana banc band bang banh bann banr bar- bara barb barc bard barg barh barn barr bbad bbbb bbch bbdd bbga bbng bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcda bchd bcra bd-r bdbc bddc bddh bdna bgan bgca bhag bhan bhar bhca bhcc bhra bnrr brab brac brad brag brah bran brca brcb brda brna brrr c-cd caaa caab caac caah caan caba cabg cac- caca cacc cach cacr cada cadc cadd cadr caga cagg cagn cagr caha cahn cana canc cand cang canh cann cara carb carc card carn carr cbac cbar cbbc cbca cbcc cbcn cbcr cbdb cbdc cbdn cbga cbgb cbha cbna cbnd cbrd cbrh cbrn ccaa ccab ccac ccad ccag ccar ccba ccbc ccbn ccca cccb cccc ccdc ccdh ccdn ccdr ccga ccgc ccha cchr ccna ccnb ccnc ccnr ccra ccrc ccrg cd-r cdaa cdac cdad cdba cdda cddb cddr cdna cdnb cdnc cgac cgcc cgcg chaa chab chac chad chag chah chan char chca chch chgb chgd chgn chha chnb chnc chnr chra chrb chrc chrd chrn chrr cnaa cnac cnag cnbc cnda cndd cnna cnrc cnrr crab crac crag cran crar crbc crca crcc crcr crda crdc crna d-na daab daad daag daan daar daba dabb daca dada daga dagg dagh dagr daha dahn dana dand dang dann danr dara darb darc dard darg darn darr dbag dbar dbcc dbrn dcbc dcca dccb dccc dcdb dcra dddd ddrc dgac dgca dhaa dhad dhag dhan dhar dhrn dnaa dnab dnac dnad dnag dnah dnan dnrc draa drab drac drad drag drar drba drbc drca drda drna drnh drra gaar gaba gabb gabr gach gada gadd gaga gagg gaha gahn gana ganc gand gang gann gara garb gard garg garn garr gbag gban gc-c gcaa gcbc gccc gcda