-al a-a a-b a-c aaa aab aac aaf aah aak aal aas ab- aba abb abc abf abh abk abl abs ac- aca acb acc acf ach ack acl acs af- afa afb afc aff afh afk afl afs aha ahb ahc ahf ahh ahk ahl ahs aka akb akc akh akk akl aks al- ala alb alc alf alh alk all als as- asa asb asc asf ash ask asl ass baa bab bac baf bah bak bal bas bba bbb bbc bbf bbh bbk bbl bbs bca bcb bcc bcf bch bck bcl bcs bfa bfb bfc bff bfh bfl bfs bha bhb bhc bhf bhh bhk bhl bhs bka bkb bkc bkf bkk bkl bks bla blb blc blf blh blk bll bls bsa bsb bsc bsf bsh bsk bsl bss c-- caa cab cac caf cah cak cal cas cba cbb cbc cbf cbh cbk cbl cbs cca ccb ccc ccf cch cck ccl ccs cfa cfb cfc cff cfh cfk cfl cfs ch- cha chb chc chf chh chk chl chs cka ckb ckc ckh cks cl- cla clb clc clf clh clk cll cls csa csb csc csf csh csk csl css faa fab fac faf fah fak fal fas fba fbb fbc fbf fbh fbk fbl fbs fca fcb fcc fcf fck fcl fcs ffa ffc fff ffh ffk ffl ffs fha fhb fhc fhf fhh fhl fhs fka fkb fkc fkf fkk fkl fla flb flc flf fll fls fsa fsb fsc fsf fsh fsk fsl fss haa hab hac haf hah hak hal has hba hbb hbc hbf hbh hbk hbl hbs hca hcb hcc hcf hch hck hcl hcs hfa hfb hfc hff hfh hfk hfl hfs hha hhb hhc hhf hhh hhk hhl hhs hka hkb hkf hkh hkk hkl hks hla hlb hlc hlf hlh hll hls hsa hsb hsc hsf hsh hsk hsl hss ka- kaa kab kac kaf kah kak kal kas kba kbb kbc kbf kbh kbk kbl kbs kca kcb kcc kch kck kcl kcs kfa kfc kff kfh kfs kha khf khh khk khs kkb kkc kkh kkk kkl kks kl- kla klb klc klf klh kls ksa ksb ksc ksf ksh ksk ksl kss la- laa lab lac laf lah lak lal las lba lbb lbc lbf lbh lbk lbl lbs lca lcb lcc lcf lch lck lcl lcs lfa lfb lfc lff lfh lfk lfl lfs lha lhb lhc lhf lhh lhk lhs lka lkb lkh lkl lks lla llb llc llf llk lll lls lsa lsb lsc lsf lsh lsk lsl lss saa sab sac saf sah sak sal sas sba sbb sbc sbf sbh sbk sbl sbs sca scb scc scf sch sck scl scs sfa sfb sfc sff sfh sfk sfl sfs sh- sha shb shc shf shh shk shl shs sk- ska skb skc skf skh skk skl sks sla slb slc slf slh slk sll sls ss- ssa ssb ssc ssf ssh ssk ssl sss

a-ak a-ha aaaa aaab aaac aaaf aaah aaal aaas aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aack aacl aacs aafa aafb aafc aaff aafl aaha aahk aahl aahs aaka aala aalc aall aals aasa aasc aasf aass abaa abab abac abaf abak abal abas abb- abba abbb abbs abca abcb abcc abcf abch abcl abcs abff abha abhs abla abls abs- absa absf absl abss acaa acab acac acas acba acbl acca accc accf acch accs acfc acfl acfs acha achh achl achs acks acla aclc acls acsa acsc acsl acss afaa afak afbs afca afcb afcc afch afcs affa affc affs afhs afka afla aflc afsa afsb afsc ahab ahac ahah ahal ahas ahfa ahha ahhs ahla ahsa ahss akaa akah akal akas akca akha akhs akka aksa alaa alac alak alal alas alb- alba albc albs alca alcc alcs alfa alfs alha alhs alk- alka alkb all- alla allh alll alls alsa alsc asaa asab asac asaf asah asak asal asas asba asc- asca ascb ascc asch ascl asfa asha ashk ashs aska asks asla assa assc assh assk assl asss baaa baaf baah baak baal baas baba babb babs bac- baca bacc bach back bacs bafc baff baha bahl bahs bak- baka bakh bakl baks bala balc balf balk ball bals basa basc basf bash bask bass bbas bbbb bbbs bbch bbfc bbhs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcfc bchs bcsa bcsc bcsl bcss bfas bfca bfcs bffl bffs bfhs bhca bhcc bhff bhhs bhsf bkhs blaa blab blac blah blak blas blfc blhs blkb blls blss bsaa bsac bsas bscs bsfa bsfc bsff bsfs bshs bslc bssc caaa caab caac caaf caah caal caas caba cabf cabs cac- caca cacc cach cack cafa cafb cafc caff cafl cafs caha cahl cahs caka cala calc calf calk call cals casa casb casc cash cask casl cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbfb cbfc cbha cbhl cbhs cbka cbkl cblb cblc cbsa cbsc ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccl cccs ccfa ccfc ccff ccfl ccha cchl cchs ccla cclc ccls ccsa ccsf ccsl ccss cfaa cfab cfac cfbc cfbs cfca cfcb cfcf cfcl cfcs cffb cfhk cfhs cfls cfsa cfsl chaa chab chac chaf chah chak chal chas chca chch chcs chfa chfc chfs chha chhs chka chkb chks chlc chsc chsh ckac ckbc ckch ckck ckcl ckcs ckhs cklf cksa cksb cksh cksl clab claf clas clhs clsa clsc csaa csab csac csak csas csbf cscb cscc cscf csch cscl cscs csfc cshl cshs cska csks csla cssa f--k faaa faac faah faas faba fabs faca facc fach fack facs fafa fafc faff faha fahs fakh fala falc falk fall fals fasa fasc fash fass fbhs fbla fcab fcal fcas fcba fcbs fcca fccf fcch fchs fcsc fcsl ffcc ffff ffhs ffsa ffss fhas fhfs fhhs fhlb fhss fkab flab flac flak flcl flhs fsas fscb fscc fsck fshb fshs fssa