-ana a-ha aaaa aaab aaac aaah aaan aaar aaba aabb aabc aabh aabt aaca aacb aacc aach aacn aacr aact aaha aana aara aarc aart aata aatc aatt abaa abab abac aban abar abat abb- abba abbb abbr abbt abca abcb abcc abch abcn abcr abct abha abhr abra abrc abta ac-t acaa acab acac acan acar acat acba acca accc acch acct acha achh achr acht acr- acra acrc acrr acta actc acth actt ahab ahac ahah ahar ahat ahha ahra ahrc ahrr ahta ana- anaa anab anac anah anan anar anat anba anbb anca ancc anct anha anna annb annt anrc ant- anta anth antr antt arab arac arah aran arar arat arba arbh arc- arca arch arct arh- arna arnt arr- arra arrc arrh arrr arrt arta artc arth artr at-t ataa atab atac atan atar atat atca atcc atch atcr atha atna atra atrc atrn atta attn attr baaa baah baan baar baat baba babb babr bac- baca bacc bach bacn bact baha bahn bahr baht bana banc banh bann banr bant bar- bara barb barc barh barn barr bart bata batc bath batn batt bbbb bbch bbrc bcaa bcar bcat bcbc bcca bccc bcra bctc bhan bhar bhat bhca bhcc bhra bhrt bnrr bnta brab brac brah bran brat brca brcb brna brrr brtc btaa btan btcc btrc btrt bttb caaa caab caac caah caan caat caba cac- caca cacc cach cacr caha cahn caht cana canc canh cann cant cara carb carc carn carr cart cat- cata catb catc cath catt cbac cbar cbat cbbc cbca cbcc cbcn cbcr cbct cbha cbna cbrh cbrn cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccbn ccca cccb cccc ccha cchr ccna ccnb ccnc ccnr ccra ccrc ccrt cctb cctc cctt chaa chab chac chah chan char chat chca chch chha chnb chnc chnr chra chrb chrc chrn chrr chrt chtr chtt cnaa cnac cnbc cnna cnrc cnrr cnrt cnta cntc cntr crab crac cran crar crat crbc crca crcc crcr crna crrt crtc ctab ctan ctba ctca ctrc ctrn ctta cttn haab haan haar haat haba habt haha hahn haht hana hanc hann hant hara harc harh harn harr hart hata hatb hath hatt hbar hcat hcbc hcca hccb hccc hcch hhaa hhat hhhh hnat hnna hntb hntr hrac hran hrrc hrta hrtb htab htan htcc htra httr naaa naab naac naan naar naat naba nabc naca nacc nach naha nahr naht nan- nana nanb nann nant nara narc narh narn narr nart nata natc nath natt nbaa nbar nbbc nbca nbcc ncaa ncac ncar ncat ncba ncbc ncca nccc nccn nccr ncct ncha nchc ncna ncnc ncra ncrc ncta nctc nctr nhcc nhnn nhra nhrc nnnn nntn nrab nrca nrna nrrc nrta ntbc ntcc nthn ntht ntrc nttr raab raan raat raba rabb rac- raca racc rach ract raha rahn rahr raht rana ranc rann rant rara rarb rata rath ratt rbbb rbbr rcac rcbc rccb rccc rchb rcnr rctc rnbr rnnt rrah rrat rrna rrrr rtan rtca rtcc taa- taan taar taat taba tabb tabc taca tacc tach tact taha tahn tahr tana tanh tann tant tara tarb tarc tarn tarr tart tata tatb tath tatr tatt tbar tbca tbcb tbcc tbrb tbta tcca tccc tch- tcha tchh tchr tcnn tctc thaa than thar that thca thch thnt thra thtb thtr tnbc tnca tncc traa trab trac tran trat trca trcc trna trra trtc trtr ttab ttbb ttcn tttt