-al a-a a-b a-c a-t aaa aab aac aae aak aal aat aav ab- aba abb abc abe abk abl abt abv ac- aca acb acc ace ack acl act acv aea aeb aec aee aek ael aet aev aka akb akc ake akk akl akv al- ala alb alc ale alk all alt alv at- ata atb atc ate atl att atv av- ava avb avc ave avk avl avt baa bab bac bae bak bal bat bav bba bbb bbc bbe bbk bbl bbt bca bcb bcc bce bck bcl bct bcv be- bea beb bec bee bek bel bet bev bka bkb bkc bke bkk bkl bkt bkv bla blb blc ble blk bll blt blv bta btb btc bte btk btl btt btv bva bvb bvc bve bvk bvl bvt bvv c-- caa cab cac cae cak cal cat cav cba cbb cbc cbe cbk cbl cbt cbv cca ccb ccc cce cck ccl cct ccv ce- cea ceb cec cee cek cel cet cev cka ckb ckc ckt cl- cla clb clc cle clk cll clt clv cta ctb ctc cte ctk ctl ctt ctv cva cvb cvc cve cvk cvl cvt cvv eaa eab eac eae eak eal eat eav eba ebb ebc ebe ebk ebl ebt ebv ec- eca ecb ecc ece eck ecl ect ecv eea eeb eec eee eek eel eet eev eka ekb ekc eke ekl ekt ekv ela elb elc ele elk ell elt elv eta etb etc ete etk etl ett etv eva evb evc eve evl evt evv k-t ka- kaa kab kac kae kak kal kat kav kba kbb kbc kbe kbk kbl kca kcb kcc kce kck kcl kct ke- kea keb kec kee kek kel ket kev kkb kkc kke kkk kkl kkt kkv kl- kla klb klc klt klv kta ktb ktc kte ktk ktl ktt ktv kva kvb kvk kvv la- laa lab lac lae lak lal lat lav lba lbb lbc lbe lbk lbl lbt lbv lca lcb lcc lce lck lcl lct lcv lea leb lec lee lek lel let lev lka lkb lkl lkt lla llb llc lle llk lll llt llv lta ltb ltc lte ltk ltl ltt ltv lva lvb lvc lve lvl lvt lvv taa tab tac tae tak tal tat tav tba tbb tbc tbe tbk tbl tbt tbv tca tcb tcc tce tck tcl tct tcv te- tea teb tec tee tek tel tet tev tka tkb tkc tke tkk tkl tkt tla tlc tle tlk tll tlt tlv tta ttb ttc tte ttk ttl ttt ttv tva tvb tvc tve tvk tvl tvt v-a v-e vaa vab vac vae vak val vat vav vba vbc vbk vbl vbv vca vcc vce vcl vct vea veb vec vee vek vel vet vka vkb vkt vl- vla vlb vlc vle vlk vll vlt vlv vta vtb vtc vte vtk vtl vtt vtv vva vvb vvc vvt vvv

-vac a-ak a-be aaaa aaab aaac aaae aaal aaav aaba aabb aabc aabl aabt aaca aacb aacc aace aack aacl aact aacv aaea aaec aaev aaka aake aala aalc aale aall aata aatc aatk aatt aava abaa abab abac abae abak abal abat abb- abba abbb abbe abbt abca abcb abcc abcl abct abec abee abel abet abla able ablv abta abva ac-t acaa acab acac acae acat acba acbl acca accc acce acct ace- acea acec acek acel acet acev acke acla aclc acle acta actc acte actl actt actv acvv aeac aecb aecl aect aeka aela aelc aeta aetc aett aeva akaa akae akal akca akee akel akka akle akte aktv alaa alac alae alak alal alat alb- alba albc albe alca alcc alce alea alec alee alek alet alev alk- alka alkb alke all- alla alle alll alta alte alva at-l at-t ataa atab atac atae atak atal atat atca atcc atck atcl atea atec atee atel atka atkt atkv atla atle atta atte avab aval avat avcc avce avea avec avel avkt avlb avva baaa baak baal baat baba babb babe bac- baca bacc bace back bact baek bael bak- baka bake bakl bakt bala balc bale balk ball balt bata batc bate batt bava bave bbbb bbeb bbet bblb bcaa bcat bcbc bcca bccc bccl bcec bcet bctc beak beal beat beav beba bebb bebe beca beck beeb beek beel beet beka beke bela bele belk bell belt beta betc bete bett betv blaa blab blac blae blak blat blbt blea bleb blee blek blet blkb blvt btaa btcc btcl btec btek btla bttb caaa caab caac caal caat caba cabe cac- caca cacc cace cack caec caka cake cala calc cale calk call calt cat- cata catb catc cate catt catv cava cave cbac cbal cbat cbbc cbca cbcc cbce cbcl cbct cbea cbec cbee cbet cbka cbkl cblb cblc cbta cbtc cbtl cbtv cbva cbvb cbve ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccl cccv ccee ccel ccla cclc cclv cctb cctc cctl cctt cctv ceac ceal ceat ceba cec- ceca cece cect ceeb ceec ceel ceke cel- cela celc cele cell celt cet- ceta cete cetv ceva ckac ckat ckbc ckbe ckck ckcl ckcv cktb ckvl clab clat clav clea clec clee clek clet cltb cltc cltv ctab ctae ctal ctba ctca ctec ctle ctta ctvt cvac cvca cvcc cvet cvte e-cl e-la eaba eaca eacc eaec eala ealc eale eata eate eave 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 ectv eeca eeea eeee eeka eeke eele eelv eeta eetc eete eeva eka- ekab ekeb ekek eket ekka ekta el-b elab elac elal elat elba elbe elca elcb elce elea elec elee elek elet elev elka elke ella elle elta elte elva elve etak etal etat etbc etcc etec etee etel etka etla etta ette evac evae eval evat evea evel evet evla evvk kaaa kaab kaak kaal kaat kaba