-al a-a a-b a-c aaa aab aac aad aak aal aan aas ab- aba abb abc abd abk abl abn abs ac- aca acb acc acd ack acl acn acs ad- ada adb adc add adk adl adn ads aka akb akc akd akk akl akn aks al- ala alb alc ald alk all aln als an- ana anb anc and ank anl ann ans as- asa asb asc asd ask asl asn ass baa bab bac bad bak bal ban bas bba bbb bbc bbd bbk bbl bbn bbs bca bcb bcc bcd bck bcl bcn bcs bda bdb bdc bdd bdk bdl bds bka bkb bkc bkk bkl bkn bks bla blb blc bld blk bll bln bls bna bnb bnc bnd bnk bnl bnn bns bsa bsb bsc bsd bsk bsl bsn bss c-- caa cab cac cad cak cal can cas cba cbb cbc cbd cbk cbl cbn cbs cca ccb ccc ccd cck ccl ccn ccs cda cdb cdc cdd cdk cdl cdn cds cka ckb ckc ckd cks cl- cla clb clc cld clk cll cln cls cn- cna cnb cnc cnd cnl cnn cns csa csb csc csd csk csl csn css daa dab dac dad dak dal dan das dba dbb dbc dbd dbk dbl dbn dbs dca dcb dcc dcd dck dcl dcn dcs dda ddb ddc ddd ddk ddl ddn dds dka dkb dkc dkk dkl dks dl- dla dlb dlc dld dlk dll dls dna dnb dnc dnd dnk dnl dnn dns dsa dsb dsc dsd dsk dsl dsn dss ka- kaa kab kac kad kak kal kan kas kba kbb kbc kbd kbk kbl kbn kbs kca kcb kcc kcd kck kcl kcn kcs kda kdb kdc kdk kdl kds kkb kkc kkk kkl kkn kks kl- kla klb klc kld kls kn- kna knc knd knk knl knn ksa ksb ksc ksd ksk ksl ksn kss la- laa lab lac lad lak lal lan las lba lbb lbc lbd lbk lbl lbs lca lcb lcc lcd lck lcl lcn lcs lda ldb ldc ldd ldk ldl ldn lds lka lkb lkl lks lla llb llc lld llk lll lln lls lna lnb lnc lnd lnk lnl lnn lns lsa lsb lsc lsd lsk lsl lsn lss naa nab nac nad nak nal nan nas nba nbb nbc nbd nbk nbl nbn nbs nca ncb ncc ncd nck ncl ncn ncs nda ndb ndc ndd ndk ndl ndn nds nka nkc nkk nkn nks nla nlb nlc nld nlk nll nln nls nna nnb nnc nnk nnl nnn nns nsa nsb nsc nsd nsk nsl nsn nss saa sab sac sad sak sal san sas sba sbb sbc sbd sbk sbl sbn sbs sca scb scc scd sck scl scn scs sda sdb sdc sdd sdk sdl sdn sds sk- ska skb skc skd skk skl sks sla slb slc sld slk sll sln sls sna snb snc snd snk snl snn sns ss- ssa ssb ssc ssd ssk ssl ssn sss

-ana a-ak aaaa aaab aaac aaad aaal aaan aaas aaba aabb aabc aabd aabl aaca aacb aacc aacd aack aacl aacn aacs aada aadc aads aaka aala aalc aald aall aals aana aand aasa aasc aasd aass abaa abab abac abad abak abal aban abas abb- abba abbb abbs abca abcb abcc abcd abcl abcn abcs abda abla abls abs- absa absd absl abss acaa acab acac acad acan acas acba acbl acca accc accd accs acda acdb acdc acds ackd acks acla aclc acls acsa acsc acsd acsl acss adaa adab adac adad adak adal adan adas adba adbc adcc adcs adda addc addd addl addn adds adls adna adns adsa adsl adss akaa akal akan akas akca akdn akka akna aksa alaa alac alad alak alal alan alas alb- alba albc albs alca alcc alcs ald- alda aldl alds alk- alka alkb alkd all- alla alll alln alls alna alsa alsc alsn ana- anaa anab anac anad anak anal anan anas anba anbb anbl anca ancc and- anda andl ands ank- anka anla anlc anln anna annb anns ansa ansd asaa asab asac asad asak asal asan asas asba asc- asca ascb ascc ascl asda asdl asds aska asks asla asnc asnl assa assc assd assk assl assn asss baaa baad baak baal baan baas baba babb babs bac- baca bacc back bacn bacs bada badb badd bads bak- baka bakl baks bala balc bald balk ball bals bana banc band bank bann bans basa basc bask bass bbad bbas bbbb bbbs bbdd bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcda bcds bcsa bcsc bcsl bcsn bcss bdbc bddc bdls bdna bdsd blaa blab blac blad blak blan blas bldc blkb blkd blls blss bnas bnss bsaa bsac bsas bsbd bscs bsdl bslc bsnd bsns bssc bssd c-cd caaa caab caac caal caan caas caba cabs cac- caca cacc cack cada cadc cadd cads caka cala calc cald calk call cals cana canc cand cank cann cans casa casb casc casd cask casl cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcn cbcs cbdb cbdc cbdn cbds cbka cbkl cbkn cblb cblc cbln cbna cbnd cbsa cbsc cbsn ccaa ccab ccac ccad ccas ccba ccbc ccbn ccca cccb cccc cccl cccs ccdc ccdn ccds ccla cclc ccls ccna ccnb ccnc ccns ccsa ccsd ccsl ccsn ccss cdaa cdac cdad cdba cdcs cdda cddb cddl cdls cdna cdnb cdnc cdss ckac ckan ckbc ckck ckcl ckcs ckln cknb cknc ckns cksa cksb cksl clab clad clan clas clcd cldc clsa clsc cnaa cnac cnas cnbc cnbl cnda cndd cnna cnsa cnsl cnss csaa csab csac csak csas cscb cscc cscd cscl cscs csda csdb csdn cska csks csla csld cssa cssd d-na daab daad daal daan daas daba dabb dabs daca dacs dada dads daka daks dala dalk dall dals dana dand dank danl dann dans dasa dasb dasc dasd dask dasl dass dbas dbcc dbcs dbls dbnl dbsa dbss dcas dcbc