-al a-a a-b a-c a-t aaa aab aac aad aak aal aan aat ab- aba abb abc abd abk abl abn abt ac- aca acb acc acd ack acl acn act ad- ada adb adc add adk adl adn adt aka akb akc akd akk akl akn al- ala alb alc ald alk all aln alt an- ana anb anc and ank anl ann ant at- ata atb atc atd atl atn att baa bab bac bad bak bal ban bat bba bbb bbc bbd bbk bbl bbn bbt bca bcb bcc bcd bck bcl bcn bct bda bdb bdc bdd bdk bdl bdt bka bkb bkc bkk bkl bkn bkt bla blb blc bld blk bll bln blt bna bnb bnc bnd bnk bnl bnn bnt bta btb btc btd btk btl btn btt c-- caa cab cac cad cak cal can cat cba cbb cbc cbd cbk cbl cbn cbt cca ccb ccc ccd cck ccl ccn cct cda cdb cdc cdd cdk cdl cdn cdt cka ckb ckc ckd ckt cl- cla clb clc cld clk cll cln clt cn- cna cnb cnc cnd cnl cnn cnt cta ctb ctc ctd ctk ctl ctn ctt daa dab dac dad dak dal dan dat dba dbb dbc dbd dbk dbl dbn dbt dca dcb dcc dcd dck dcl dcn dct dda ddb ddc ddd ddk ddl ddn ddt dka dkb dkc dkk dkl dkt dl- dla dlb dlc dld dlk dll dlt dna dnb dnc dnd dnk dnl dnn dnt dta dtb dtc dtd dtk dtl dtn dtt k-t ka- kaa kab kac kad kak kal kan kat kba kbb kbc kbd kbk kbl kbn kca kcb kcc kcd kck kcl kcn kct kda kdb kdc kdk kdl kdt kkb kkc kkk kkl kkn kkt kl- kla klb klc kld klt kn- kna knc knd knk knl knn knt kta ktb ktc ktk ktl ktn ktt la- laa lab lac lad lak lal lan lat lba lbb lbc lbd lbk lbl lbt lca lcb lcc lcd lck lcl lcn lct lda ldb ldc ldd ldk ldl ldn ldt lka lkb lkl lkt lla llb llc lld llk lll lln llt lna lnb lnc lnd lnk lnl lnn lnt lta ltb ltc ltd ltk ltl ltt naa nab nac nad nak nal nan nat nba nbb nbc nbd nbk nbl nbn nbt nca ncb ncc ncd nck ncl ncn nct nda ndb ndc ndd ndk ndl ndn ndt nka nkc nkk nkn nkt nla nlb nlc nld nlk nll nln nlt nna nnb nnc nnk nnl nnn nnt nta ntb ntc ntd ntk ntn ntt taa tab tac tad tak tal tan tat tba tbb tbc tbd tbk tbl tbn tbt tca tcb tcc tcd tck tcl tcn tct tda tdb tdc tdd tdk tdl tdn tdt tka tkb tkc tkk tkl tkt tla tlc tld tlk tll tln tlt tna tnb tnc tnd tnk tnl tnn tnt tta ttb ttc ttd ttk ttl ttn ttt

-ana a-ak aaaa aaab aaac aaad aaal aaan aaba aabb aabc aabd aabl aabt aaca aacb aacc aacd aack aacl aacn aact aada aadc aadt aaka aala aalc aald aall aana aand aata aatc aatk aatt abaa abab abac abad abak abal aban abat abb- abba abbb abbt abca abcb abcc abcd abcl abcn abct abda abla abta ac-t acaa acab acac acad acan acat acba acbl acca accc accd acct acda acdb acdc acdt ackd acla aclc acta actc actl actt adaa adab adac adad adak adal adan adat adba adbc adcc adda addc addd addl addn adna adta akaa akal akan akca akdn akka akna alaa alac alad alak alal alan alat alb- alba albc alca alcc ald- alda aldl alk- alka alkb alkd all- alla alll alln alna alta altn ana- anaa anab anac anad anak anal anan anat anba anbb anbl anca ancc anct and- anda andl andt ank- anka anla anlc anln anna annb annt ant- anta antl antt at-l at-t ataa atab atac atad atak atal atan atat atca atcc atck atcl atdt atka atkt atla atna atta attn baaa baad baak baal baan baat baba babb bac- baca bacc back bacn bact bada badb badd bak- baka bakl bakt bala balc bald balk ball balt bana banc band bank bann bant bata batc batn batt bbad bbbb bbdd bblb bcaa bcat bcbc bcca bccc bccl bcda bctc bdbc bddc bdna blaa blab blac blad blak blan blat blbt bldc blkb blkd bnta btaa btan btcc btcl btdt btla bttb c-cd caaa caab caac caal caan caat caba cac- caca cacc cack cada cadc cadd caka cala calc cald calk call calt cana canc cand cank cann cant cat- cata catb catc catd catt cbac cbal cbat cbbc cbca cbcc cbcl cbcn cbct cbdb cbdc cbdn cbka cbkl cbkn cblb cblc cbln cbna cbnd cbta cbtc cbtl ccaa ccab ccac ccad ccat ccba ccbc ccbn ccca cccb cccc cccl ccdc ccdn ccla cclc ccna ccnb ccnc cctb cctc cctl cctt cdaa cdac cdad cdba cdda cddb cddl cdna cdnb cdnc ckac ckan ckat ckbc ckck ckcl ckln cknb cknc cknt cktb clab clad clan clat clcd cldc cltb cltc cnaa cnac cnbc cnbl cnda cndd cnna cnta cntc cntk ctab ctal ctan ctba ctca ctta cttn d-na daab daad daal daan daba dabb dabt daca dact dada daka dala dalk dall dalt dana dand dank danl dann dant data datt dbcc dbnl dbtt dcbc dcca dccb dccc dccl dcct dcdb dctc dddd ddlc dkba dkdc dlab dlbd dnaa dnab dnac dnad dnan dnat dntt dtaa dtac dtcc dtla dtna dtnb kaaa kaab kaak kaal kaan kaat kaba kabb kabc kabd kacb kacc kacd kacl kact kad- kada kadd kadl kadt kaka kakc kakk kakn kakt kala kalb kalc kald kalk kall kaln kalt kana kanb kand kann kant kat- kata katb katc katd katk katl katn katt kbaa kbab kbac kbad kbak kbal kbat kbba kbbb kbbc kbbd kbbk kbbl kbbt kbca kbcb kbck kbcl kbct kbdb