-al -ol -th a-a a-b a-c a-t aaa aab aac aah aal aao aas aat ab- aba abb abc abh abl abo abs abt ac- aca acb acc ach acl aco acs act aha ahb ahc ahh ahl aho ahs aht al- ala alb alc alh all alo als alt aoa aob aoc aoh aol aoo aos aot as- asa asb asc ash asl aso ass ast at- ata atb atc ath atl ato ats att baa bab bac bah bal bao bas bat bba bbb bbc bbh bbl bbo bbs bbt bca bcb bcc bch bcl bco bcs bct bha bhb bhc bhh bhl bho bhs bht bla blb blc blh bll blo bls blt boa bob boc boh bol boo bos bot bsa bsb bsc bsh bsl bso bss bst bta btb btc bth btl bto bts btt c-- caa cab cac cah cal cao cas cat cba cbb cbc cbh cbl cbo cbs cbt cca ccb ccc cch ccl cco ccs cct ch- cha chb chc chh chl cho chs cht cl- cla clb clc clh cll clo cls clt co- coa cob coc coh col coo cos cot csa csb csc csh csl cso css cst cta ctb ctc cth ctl cto cts ctt haa hab hac hah hal hao has hat hba hbb hbc hbh hbl hbo hbs hbt hca hcb hcc hch hcl hco hcs hct hha hhb hhc hhh hhl hho hhs hht hla hlb hlc hlh hll hlo hls hlt hoa hob hoc hoh hol hoo hos hot hsa hsb hsc hsh hsl hss hst hta htb htc hth htl hto hts htt la- laa lab lac lah lal lao las lat lba lbb lbc lbh lbl lbo lbs lbt lca lcb lcc lch lcl lco lcs lct lha lhb lhc lhh lho lhs lht lla llb llc lll llo lls llt loa lob loc loh lol loo los lot lsa lsb lsc lsh lsl lso lss lst lta ltb ltc lth ltl lto lts ltt oaa oab oac oah oal oao oas oat ob- oba obb obc obh obl obo obs obt oc- oca ocb occ och ocl oco ocs oct oha ohc ohh ohl oho ohs oht ola olb olc oll olo ols olt oo- ooa oob ooc ooh ool ooo oos oot os- osa osb osc osh osl oso oss ost ot- ota otb otc oth otl oto ots ott saa sab sac sah sal sao sas sat sba sbb sbc sbh sbl sbo sbs sbt sca scb scc sch scl sco scs sct sh- sha shb shc shh shl sho shs sht sla slb slc slh sll slo sls slt soa sob soc soh sol soo sos sot ss- ssa ssb ssc ssh ssl sso sss sst sta stb stc sth stl sto sts stt taa tab tac tah tal tao tas tat tba tbb tbc tbh tbl tbo tbs tbt tca tcb tcc tch tcl tco tcs tct th- tha thb thc thh thl tho ths tht tla tlc tlh tll tlo tls tlt to- toa tob toc toh tol too tos tot tsa tsb tsc tsh tsl tso tss tst tta ttb ttc tth ttl tto tts ttt

a-ha aaaa aaab aaac aaah aaal aaas aaba aabb aabc aabh aabl aabt aaca aacb aacc aach aacl aaco aacs aact aaha aahl aahs aala aalc aall aalo aals aaoo aasa aasc aass aast aata aatc aatt abaa abab abac abal abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abch abcl abcs abct abha abho abhs abla ablo abls aboa abob aboh abol aboo abos abot abs- absa absl abss abta abts ac-t acaa acab acac acas acat acba acbl acca accc acch acco accs acct acha achh achl acho achs acht acla aclc acls acoa acoh acol acos acot acsa acsc acsl acss acst acta actc acth actl acto acts actt ahab ahac ahah ahal ahas ahat ahha ahhs ahla ahoa ahot ahsa ahso ahss ahta ahto ahts alaa alac alal alao alas alat alb- alba albc albo albs alca alcc alco alcs alha alhs all- alla allh alll allo alls aloa aloc aloh alol aloo alos alot alsa alsc also alst alta alto alts aoah aoba aoca aocs aola aoss aotc asaa asab asac asah asal asao asas asat asba asbo asc- asca ascb ascc asch ascl asco asct asha ashs asht asla aslo asob asoc asos asot assa assc assh assl asso asss asst asta astb astc astl asto asts at-l at-t ataa atab atac atal atas atat atbs atca atcc atch atcl atco atcs atha athl atho aths atla atlo atls atob atoc atol atos atot atsb atsc atst atta atto atts baaa baah baal baas baat baba babb babo babs bac- baca bacc bach baco bacs bact baha bahl baho bahs baht bala balc ball balo bals balt baoh baol baos basa basc bash baso bass bast bata batc bath bato bats batt bbas bbbb bbbs bbch bbhs bblb bbls bcaa bcas bcat bcbc bcbs bcca bccc bccl bccs bchs bcos bcsa bcsc bcsl bcss bctc bcts bhao bhat bhca bhcc bhhs bhot blaa blab blac blah blas blat blbt blhs blls blob bloc bloo blot blss blst blts boab boac boal boas boat boba bobb bobo bobs boca boch boco bocs boha bohl boho bohs boht bola boll bolo bols bolt boob booc booh bool boos boot bosa bosc bosh boso boss bost bota botb both boto bots bott bsaa bsac bsas bsat bscs bshs bslc bsos bssc bsts btaa btcc btcl btcs bths btla btob btss bttb c-bo caaa caab caac caah caal caas caat caba cabo cabs cac- caca cacc cach caco caha cahl cahs caht cala calc call calo cals calt caol caos casa casb casc cash casl caso cass cast cat- cata catb catc cath cato cats catt cbac cbal cbat cbbc cbbs cbca cbcc cbcl cbcs cbct cbha cbhl cbhs cblb cblc cbol cbot cbsa cbsc cbta cbtc cbtl ccaa ccab ccac ccas ccat