-al a-a a-b a-c a-t aaa aab aac aak aal aan aas aat ab- aba abb abc abk abl abn abs abt ac- aca acb acc ack acl acn acs act aka akb akc akk akl akn aks al- ala alb alc alk all aln als alt an- ana anb anc ank anl ann ans ant as- asa asb asc ask asl asn ass ast at- ata atb atc atl atn ats att baa bab bac bak bal ban bas bat bba bbb bbc bbk bbl bbn bbs bbt bca bcb bcc bck bcl bcn bcs bct bka bkb bkc bkk bkl bkn bks bkt bla blb blc blk bll bln bls blt bna bnb bnc bnk bnl bnn bns bnt bsa bsb bsc bsk bsl bsn bss bst bta btb btc btk btl btn bts btt c-- caa cab cac cak cal can cas cat cba cbb cbc cbk cbl cbn cbs cbt cca ccb ccc cck ccl ccn ccs cct cka ckb ckc cks ckt cl- cla clb clc clk cll cln cls clt cn- cna cnb cnc cnl cnn cns cnt csa csb csc csk csl csn css cst cta ctb ctc ctk ctl ctn cts ctt k-t ka- kaa kab kac kak kal kan kas kat kba kbb kbc kbk kbl kbn kbs kca kcb kcc kck kcl kcn kcs kct kkb kkc kkk kkl kkn kks kkt kl- kla klb klc kls klt kn- kna knc knk knl knn knt ksa ksb ksc ksk ksl ksn kss kst kta ktb ktc ktk ktl ktn kts ktt la- laa lab lac lak lal lan las lat lba lbb lbc lbk lbl lbs lbt lca lcb lcc lck lcl lcn lcs lct lka lkb lkl lks lkt lla llb llc llk lll lln lls llt lna lnb lnc lnk lnl lnn lns lnt lsa lsb lsc lsk lsl lsn lss lst lta ltb ltc ltk ltl lts ltt naa nab nac nak nal nan nas nat nba nbb nbc nbk nbl nbn nbs nbt nca ncb ncc nck ncl ncn ncs nct nka nkc nkk nkn nks nkt nla nlb nlc nlk nll nln nls nlt nna nnb nnc nnk nnl nnn nns nnt nsa nsb nsc nsk nsl nsn nss nst nta ntb ntc ntk ntn nts ntt saa sab sac sak sal san sas sat sba sbb sbc sbk sbl sbn sbs sbt sca scb scc sck scl scn scs sct sk- ska skb skc skk skl sks skt sla slb slc slk sll sln sls slt sna snb snc snk snl snn sns snt ss- ssa ssb ssc ssk ssl ssn sss sst sta stb stc stk stl stn sts stt taa tab tac tak tal tan tas tat tba tbb tbc tbk tbl tbn tbs tbt tca tcb tcc tck tcl tcn tcs tct tka tkb tkc tkk tkl tks tkt tla tlc tlk tll tln tls tlt tna tnb tnc tnk tnl tnn tns tnt tsa tsb tsc tsk tsl tsn tss tst tta ttb ttc ttk ttl ttn tts ttt

-ana a-ak aaaa aaab aaac aaal aaan aaas aaba aabb aabc aabl aabt aaca aacb aacc aack aacl aacn aacs aact aaka aala aalc aall aals aana aasa aasc aass aast aata aatc aatk aatt abaa abab abac abak abal aban abas abat abb- abba abbb abbs abbt abca abcb abcc abcl abcn abcs abct abla abls abs- absa absl abss abta abts ac-t acaa acab acac acan acas acat acba acbl acca accc accs acct acks acla aclc acls acsa acsc acsl acss acst acta actc actl acts actt akaa akal akan akas akca akka akna aksa akst alaa alac alak alal alan alas alat alb- alba albc albs alca alcc alcs alk- alka alkb all- alla alll alln alls alna alsa alsc alsn alst alta altn alts ana- anaa anab anac anak anal anan anas anat anba anbb anbl anca ancc anct ank- anka anla anlc anln anna annb anns annt ansa ant- anta antl ants antt asaa asab asac asak asal asan asas asat asba asc- asca ascb ascc ascl asct aska asks askt asla asnc asnl assa assc assk assl assn asss asst asta astb astc astl asts at-l at-t ataa atab atac atak atal atan atas atat atbs atca atcc atck atcl atcs atka atkt atla atls atna atns atsb atsc atst atta attn atts baaa baak baal baan baas baat baba babb babs bac- baca bacc back bacn bacs bact bak- baka bakl baks bakt bala balc balk ball bals balt bana banc bank bann bans bant basa basc bask bass bast bata batc batn bats batt bbas bbbb bbbs bblb bbls bcaa bcas bcat bcbc bcbs bcca bccc bccl bccs bcsa bcsc bcsl bcsn bcss bctc bcts blaa blab blac blak blan blas blat blbt blkb blls blss blst blts bnas bnss bnta bsaa bsac bsas bsat bscs bskt bslc bsns bssc bsts btaa btan btcc btcl btcs btla btss bttb caaa caab caac caal caan caas caat caba cabs cac- caca cacc cack caka cala calc calk call cals calt cana canc cank cann cans cant casa casb casc cask casl cass cast cat- cata catb catc cats catt cbac cbal cbat cbbc cbbs cbca cbcc cbcl cbcn cbcs cbct cbka cbkl cbkn cblb cblc cbln cbna cbsa cbsc cbsn cbta cbtc cbtl ccaa ccab ccac ccas ccat ccba ccbc ccbn ccca cccb cccc cccl cccs ccla cclc ccls ccna ccnb ccnc ccns ccsa ccsl ccsn ccss ccst cctb cctc cctl cctt ckac ckan ckat ckbc ckck ckcl ckcs ckln cknb cknc ckns cknt cksa cksb cksl ckst cktb ckts clab clan clas clat clsa clsc cltb cltc clts cnaa cnac cnas cnbc cnbl cnna cnsa cnsl cnss cnta cntc cntk csaa csab csac csak csas csat cscb cscc cscl cscs cska csks csla cssa csta cstc csts ctab ctal ctan ctba ctbs ctca ctls ctns ctsa ctsc ctsn ctss ctta cttn ctts kaaa kaab kaak kaal kaan kaas kaat kaba kabb kabc