-al a-a a-b a-c a-t aaa aab aac aae aaj aak aal aat ab- aba abb abc abe abj abk abl abt ac- aca acb acc ace acj ack acl act aea aeb aec aee aej aek ael aet aja ajb ajc aje ajj ajk ajl ajt aka akb akc ake akj akk akl al- ala alb alc ale alj alk all alt at- ata atb atc ate atl att baa bab bac bae baj bak bal bat bba bbb bbc bbe bbk bbl bbt bca bcb bcc bce bcj bck bcl bct be- bea beb bec bee bek bel bet bja bjc bjj bjk bjt bka bkb bkc bke bkk bkl bkt bla blb blc ble blj blk bll blt bta btb btc bte btk btl btt c-- c-j caa cab cac cae caj cak cal cat cba cbb cbc cbe cbj cbk cbl cbt cca ccb ccc cce ccj cck ccl cct ce- cea ceb cec cee cej cek cel cet cja cjb cjc cjk cka ckb ckc ckt cl- cla clb clc cle clj clk cll clt cta ctb ctc cte ctk ctl ctt eaa eab eac eae eaj eak eal eat eba ebb ebc ebe ebj ebk ebl ebt ec- eca ecb ecc ece ecj eck ecl ect eea eeb eec eee eek eel eet eja ejc ejl ejt eka ekb ekc eke ekl ekt ela elb elc ele elk ell elt eta etb etc ete etj etk etl ett jaa jab jac jae jaj jak jal jat jba jbc jbj jbk jbl jbt jca jcb jcc jce jck jcl jct jea jeb jec jee jej jek jel jet jja jjb jjc jjj jjk jjl jka jkb jkk jkl jkt jla jlb jlc jle jll jlt jta jtb jtc jte jtk jtl jtt k-t ka- kaa kab kac kae kaj kak kal kat kba kbb kbc kbe kbk kbl kca kcb kcc kce kck kcl kct ke- kea keb kec kee kek kel ket kjb kjc kje kkb kkc kke kkk kkl kkt kl- kla klb klc klt kta ktb ktc kte ktj ktk ktl ktt la- laa lab lac lae laj lak lal lat lba lbb lbc lbe lbj lbk lbl lbt lca lcb lcc lce lcj lck lcl lct lea leb lec lee lej lek lel let lje ljj lka lkb lkl lkt lla llb llc lle llj llk lll llt lta ltb ltc lte ltk ltl ltt taa tab tac tae taj tak tal tat tba tbb tbc tbe tbj tbk tbl tbt tca tcb tcc tce tcj tck tcl tct te- tea teb tec tee tej tek tel tet tjc tje tka tkb tkc tke tkk tkl tkt tla tlc tle tlj tlk tll tlt tta ttb ttc tte ttk ttl ttt

a-ak a-be aaaa aaab aaac aaae aaal aaba aabb aabc aabl aabt aaca aacb aacc aace aack aacl aact aaea aaec aaka aake aala aalc aale aall aata aatc aatk aatt abaa abab abac abae abaj abak abal abat abb- abba abbb abbe abbt abca abcb abcc abcl abct abec abee abel abet abla able ablj abta ac-t acaa acab acac acae acat acba acbl acca accc acce acct ace- acea acec acek acel acet acke acla aclc acle acta actc acte actl actt aeac aecb aecl aect aeka aela aelc aeta aetc aett ajab ajac ajak ajat ajba ajee ajet ajka ajla akaa akae akal akca akee akel akka akle akte alaa alac alae alak alal alat alb- alba albc albe alca alcc alce alea alec alee alek alet alk- alka alkb alke all- alla alle alll alta alte altj at-l at-t ataa atab atac atae atak atal atat atca atcc atck atcl atea atec atee atel atka atkt atla atle atta atte baaa baak baal baat baba babb babe bac- baca bacc bace back bact baek bael baja bak- baka bake bakl bakt bala balc bale balk ball balt bata batc bate batt bbbb bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bctc beak beal beat beba bebb bebe beca beck beeb beej beek beel beet beja beka beke bela bele belk bell belt beta betc bete bett bjcc bjec blaa blab blac blae blaj blak blat blbt blea bleb blee blek blet blkb btaa btcc btcl btec btek btla bttb caaa caab caac caal caat caba cabe cac- caca cacc cace cack caec caja caka cake cala calc cale calk call calt cat- cata catb catc cate catt cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbea cbec cbee cbet cbka cbkj cbkl cblb cblc cbta cbtc cbtl ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl ccee ccel ccla cclc cctb cctc cctl cctt ceac ceal ceat ceba cec- ceca cece cect ceeb ceec ceel ceja cejc ceke cel- cela celc cele cell celt cet- ceta cete cjbc cjbk cjca cjcb cjcj cjcl ckac ckat ckbc ckbe ckck ckcl cktb clab clat clea clec clee clek clet cltb cltc ctab ctae ctal ctba ctca ctec ctle ctta e-cl e-la eaba eaca eacc eaec eala ealc eale eata eate ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecka ecla eclt ect- ecta ectc eeca eeea eeee eeka eeke eele eeta eetc eete eka- ekab ekeb ekek eket ekka ekta el-b elab elac elal elat elba elbe elca elcb elce elea elec elee elek elet elka elke ella elle elta elte etak etal etat etbc etcc etec etee etel etka etla etta ette jaak jaal jaba jaca jacc jace jack jacl jael jaja jaka jake jala jalc jale jalt jbaa jbel jcbc jccc jeat jebb jebe jeel jeet jeke jell jeta jetb jete jetl jett jjcc jlab jtac jtbc jtcc kaaa kaab kaak kaal kaat kaba kabb kabc kabe kacb kacc kace kacl kact kael kaet kaja kajb kajc kaje kajk kajt kaka kakc kake kakj kakk kakt kala kalb kalc kale kalk kall kalt kat- kata katb katc kate katk katl