-al a-a a-b a-c a-t aaa aab aac aae aak aal aas aat ab- aba abb abc abe abk abl abs abt ac- aca acb acc ace ack acl acs act aea aeb aec aee aek ael aes aet aka akb akc ake akk akl aks al- ala alb alc ale alk all als alt as- asa asb asc ase ask asl ass ast at- ata atb atc ate atl ats att baa bab bac bae bak bal bas bat bba bbb bbc bbe bbk bbl bbs bbt bca bcb bcc bce bck bcl bcs bct be- bea beb bec bee bek bel bes bet bka bkb bkc bke bkk bkl bks bkt bla blb blc ble blk bll bls blt bsa bsb bsc bse bsk bsl bss bst bta btb btc bte btk btl bts btt c-- caa cab cac cae cak cal cas cat cba cbb cbc cbe cbk cbl cbs cbt cca ccb ccc cce cck ccl ccs cct ce- cea ceb cec cee cek cel ces cet cka ckb ckc cks ckt cl- cla clb clc cle clk cll cls clt csa csb csc cse csk csl css cst cta ctb ctc cte ctk ctl cts ctt eaa eab eac eae eak eal eas eat eba ebb ebc ebe ebk ebl ebs ebt ec- eca ecb ecc ece eck ecl ecs ect eea eeb eec eee eek eel ees eet eka ekb ekc eke ekl eks ekt ela elb elc ele elk ell els elt es- esa esb esc ese esk esl ess est eta etb etc ete etk etl ets ett k-t ka- kaa kab kac kae kak kal kas kat kba kbb kbc kbe kbk kbl kbs kca kcb kcc kce kck kcl kcs kct ke- kea keb kec kee kek kel kes ket kkb kkc kke kkk kkl kks kkt kl- kla klb klc kls klt ksa ksb ksc kse ksk ksl kss kst kta ktb ktc kte ktk ktl kts ktt la- laa lab lac lae lak lal las lat lba lbb lbc lbe lbk lbl lbs lbt lca lcb lcc lce lck lcl lcs lct lea leb lec lee lek lel les let lka lkb lkl lks lkt lla llb llc lle llk lll lls llt lsa lsb lsc lse lsk lsl lss lst lta ltb ltc lte ltk ltl lts ltt saa sab sac sae sak sal sas sat sba sbb sbc sbe sbk sbl sbs sbt sca scb scc sce sck scl scs sct se- sea seb sec see sek sel ses set sk- ska skb skc ske skk skl sks skt sla slb slc sle slk sll sls slt ss- ssa ssb ssc sse ssk ssl sss sst sta stb stc ste stk stl sts stt taa tab tac tae tak tal tas tat tba tbb tbc tbe tbk tbl tbs tbt tca tcb tcc tce tck tcl tcs tct te- tea teb tec tee tek tel tes tet tka tkb tkc tke tkk tkl tks tkt tla tlc tle tlk tll tls tlt tsa tsb tsc tse tsk tsl tss tst tta ttb ttc tte ttk ttl tts ttt

-ase a-ak a-be aaaa aaab aaac aaae aaal aaas aaba aabb aabc aabl aabt aaca aacb aacc aace aack aacl aacs aact aaea aaec aaes aaka aake aala aalc aale aall aals aasa aasc aase aass aast aata aatc aatk aatt abaa abab abac abae abak abal abas abat abb- abba abbb abbe abbs abbt abca abcb abcc abcl abcs abct abec abee abel abes abet abla able abls abs- absa abse absl abss abta abts ac-t acaa acab acac acae acas acat acba acbl acca accc acce accs acct ace- acea acec acek acel aces acet acke acks acla aclc acle acls acsa acsc acse acsl acss acst acta actc acte actl acts actt aeac aeas aebs aecb aecl aect aeka aela aelc aesc aess aest aeta aetc aett akaa akae akal akas akca akee akel akes akka akle aksa akst akte alaa alac alae alak alal alas alat alb- alba albc albe albs alca alcc alce alcs alea alec alee alek ales alet alk- alka alkb alke all- alla alle alll alls alsa alsc alse alst alta alte alts asaa asab asac asae asak asal asas asat asba asc- asca ascb ascc asce ascl asct asea asec asee asek asel ases aset aska aske asks askt asla asle assa assc asse assk assl asss asst asta astb astc aste astl asts at-l at-t ataa atab atac atae atak atal atas atat atbs atca atcc atck atcl atcs atea atec atee atel ates atka atkt atla atle atls atsb atsc atse atst atta atte atts baaa baak baal baas baat baba babb babe babs bac- baca bacc bace back bacs bact baek bael baes bak- baka bake bakl baks bakt bala balc bale balk ball bals balt basa basc base bask bass bast bata batc bate bats batt bbas bbbb bbbs bbeb bbet bblb bbls bcaa bcas bcat bcbc bcbs bcca bccc bccl bccs bcec bces bcet bcsa bcsc bcsl bcss bctc bcts beak beal beas beat beba bebb bebe beca beck becs beeb beek beel bees beet beka beke beks bela bele belk bell bels belt bes- besa bese besk bess best beta betc bete bets bett blaa blab blac blae blak blas blat blbt blea bleb blee blek bles blet blkb blls blss blst blts bsaa bsac bsas bsat bscs bsea bseb bsec bsee bses bset bskt bslc bssc bsse bsts btaa btcc btcl btcs btec btek btla btss bttb caaa caab caac caal caas caat caba cabe cabs cac- caca cacc cace cack caec caes caka cake cala calc cale calk call cals calt casa casb casc case cask casl cass cast cat- cata catb catc cate cats catt cbac cbal cbat cbbc cbbs cbca cbcc cbce cbcl cbcs cbct cbea cbec cbee cbet cbka cbkl cblb cblc cbsa cbsc cbse cbta cbtc cbtl ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc