-al a-a a-b a-c aaa aab aac aak aal aan aas aav ab- aba abb abc abk abl abn abs abv ac- aca acb acc ack acl acn acs acv aka akb akc akk akl akn aks akv al- ala alb alc alk all aln als alv an- ana anb anc ank anl ann ans anv as- asa asb asc ask asl asn ass asv av- ava avb avc avk avl avn avs baa bab bac bak bal ban bas bav bba bbb bbc bbk bbl bbn bbs bca bcb bcc bck bcl bcn bcs bcv bka bkb bkc bkk bkl bkn bks bkv bla blb blc blk bll bln bls blv bna bnb bnc bnk bnl bnn bns bnv bsa bsb bsc bsk bsl bsn bss bsv bva bvb bvc bvk bvl bvn bvs bvv c-- caa cab cac cak cal can cas cav cba cbb cbc cbk cbl cbn cbs cbv cca ccb ccc cck ccl ccn ccs ccv cka ckb ckc cks cl- cla clb clc clk cll cln cls clv cn- cna cnb cnc cnl cnn cns cnv csa csb csc csk csl csn css csv cva cvb cvc cvk cvl cvn cvs cvv ka- kaa kab kac kak kal kan kas kav kba kbb kbc kbk kbl kbn kbs kca kcb kcc kck kcl kcn kcs kkb kkc kkk kkl kkn kks kkv kl- kla klb klc kls klv kn- kna knc knk knl knn ksa ksb ksc ksk ksl ksn kss ksv kva kvb kvk kvn kvs kvv la- laa lab lac lak lal lan las lav lba lbb lbc lbk lbl lbs lbv lca lcb lcc lck lcl lcn lcs lcv lka lkb lkl lks lla llb llc llk lll lln lls llv lna lnb lnc lnk lnl lnn lns lsa lsb lsc lsk lsl lsn lss lsv lva lvb lvc lvl lvn lvs lvv naa nab nac nak nal nan nas nav nba nbb nbc nbk nbl nbn nbs nbv nca ncb ncc nck ncl ncn ncs ncv nka nkc nkk nkn nks nla nlb nlc nlk nll nln nls nlv nna nnb nnc nnk nnl nnn nns nnv nsa nsb nsc nsk nsl nsn nss nsv nva nvb nvc nvk nvl nvn nvv saa sab sac sak sal san sas sav sba sbb sbc sbk sbl sbn sbs sbv sca scb scc sck scl scn scs scv sk- ska skb skc skk skl sks sla slb slc slk sll sln sls slv sna snb snc snk snl snn sns snv ss- ssa ssb ssc ssk ssl ssn sss ssv sva svb svc svk svl svn svs svv v-a vaa vab vac vak val van vas vav vba vbc vbk vbl vbs vbv vca vcc vcl vcn vcs vka vkb vl- vla vlb vlc vlk vll vls vlv vn- vna vnl vns vnv vsa vsb vsc vsk vsl vsn vss vsv vva vvb vvc vvs vvv

-ana -vac a-ak aaaa aaab aaac aaal aaan aaas aaav aaba aabb aabc aabl aaca aacb aacc aack aacl aacn aacs aacv aaka aala aalc aall aals aana aasa aasc aass aava abaa abab abac abak abal aban abas abb- abba abbb abbs abca abcb abcc abcl abcn abcs abla abls ablv abs- absa absl abss abva acaa acab acac acan acas acba acbl acca accc accs acks acla aclc acls acsa acsc acsl acss acvs acvv akaa akal akan akas akca akka akna aksa alaa alac alak alal alan alas alb- alba albc albs alca alcc alcs alk- alka alkb all- alla alll alln alls alna alsa alsc alsn alva ana- anaa anab anac anak anal anan anas anba anbb anbl anca ancc ank- anka anla anlc anln anna annb anns ansa asaa asab asac asak asal asan asas asba asc- asca ascb ascc ascl aska asks asla asnc asnl assa assc assk assl assn asss asva asvs avab aval avan avas avcc avlb avva baaa baak baal baan baas baba babb babs bac- baca bacc back bacn bacs bak- baka bakl baks bala balc balk ball bals bana banc bank bann bans basa basc bask bass bava bbas bbbb bbbs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcsa bcsc bcsl bcsn bcss blaa blab blac blak blan blas blkb blls blss bnas bnss bsaa bsac bsas bscs bslc bsns bssc bvsc caaa caab caac caal caan caas caba cabs cac- caca cacc cack caka cala calc calk call cals cana canc cank cann cans casa casb casc cask casl cass cava cavs cbac cbal cbbc cbbs cbca cbcc cbcl cbcn cbcs cbka cbkl cbkn cblb cblc cbln cbna cbsa cbsc cbsn cbva cbvb cbvn ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccl cccs cccv ccla cclc ccls cclv ccna ccnb ccnc ccns ccsa ccsl ccsn ccss ccvs ckac ckan ckbc ckck ckcl ckcs ckcv ckln cknb cknc ckns cksa cksb cksl ckvl clab clan clas clav clsa clsc cnaa cnac cnas cnbc cnbl cnna cnsa cnsl cnss csaa csab csac csak csas csav cscb cscc cscl cscs cska csks csla cssa cvac cvas cvbs cvca cvcc cvsl cvss kaaa kaab kaak kaal kaan kaas kaba kabb kabc kacb kacc kacl kacs kacv kaka kakc kakk kakn kaks kala kalb kalc kalk kall kaln kals kalv kana kanb kann kans kanv kas- kasa kasb kasc kask kasl kasn kass kava kavb kavl kavs kavv kbaa kbab kbac kbak kbal kbas kbba kbbb kbbc kbbk kbbl kbbs kbca kbcb kbck kbcl kbcs kbkb kbkk kbkl kbkv kbla kblb kbll kbls kblv kbna kbnl kbnn kbnv kbsa kbsb kbsk kbsn kbss kbsv kbva kbvb kbvc kcaa kcab kcac kcal kcas kcav kcba kcbc kcbk kcbl kcbs kcca kccb kccc kcck kccl kccv kckc kckk kckl kckn kckv kcla kclc kclk kcll kcln kcls kclv kcnb kcns kcnv kcsa kcsb kcsc kcsn kcss kcvk kcvl kcvs kcvv kkaa kkac kkal kkan kkba kkbb kkbl kkbn kkbs kkcb kkck kkcl kkcn kkcs kkkk kklb kklc kkll kkln kkls kklv kknb kknn kkns kksa