-al a-a a-b a-c aaa aab aac aaf aah aal aas aau ab- aba abb abc abf abh abl abs abu ac- aca acb acc acf ach acl acs acu af- afa afb afc aff afh afl afs afu aha ahb ahc ahf ahh ahl ahs ahu al- ala alb alc alf alh all als alu as- asa asb asc asf ash asl ass asu au- aua aub auc auf auh aul aus b-u baa bab bac baf bah bal bas bau bba bbb bbc bbf bbh bbl bbs bbu bca bcb bcc bcf bch bcl bcs bcu bfa bfb bfc bff bfh bfl bfs bfu bha bhb bhc bhf bhh bhl bhs bhu bla blb blc blf blh bll bls blu bsa bsb bsc bsf bsh bsl bss bsu bua bub buc buf buh bul bus buu c-- caa cab cac caf cah cal cas cau cba cbb cbc cbf cbh cbl cbs cbu cca ccb ccc ccf cch ccl ccs ccu cfa cfb cfc cff cfh cfl cfs cfu ch- cha chb chc chf chh chl chs chu cl- cla clb clc clf clh cll cls clu csa csb csc csf csh csl css csu cua cub cuc cuf cuh cul cus cuu faa fab fac faf fah fal fas fau fba fbb fbc fbf fbh fbl fbs fbu fca fcb fcc fcf fcl fcs fcu ffa ffc fff ffh ffl ffs ffu fha fhb fhc fhf fhh fhl fhs fla flb flc flf fll fls flu fsa fsb fsc fsf fsh fsl fss fsu fua fub fuf ful fus fuu haa hab hac haf hah hal has hau hba hbb hbc hbf hbh hbl hbs hbu hca hcb hcc hcf hch hcl hcs hfa hfb hfc hff hfh hfl hfs hfu hha hhb hhc hhf hhh hhl hhs hhu hla hlb hlc hlf hlh hll hls hlu hsa hsb hsc hsf hsh hsl hss hsu hua hub huc huf huh hul hus huu la- laa lab lac laf lah lal las lau lba lbb lbc lbf lbh lbl lbs lbu lca lcb lcc lcf lch lcl lcs lcu lfa lfb lfc lff lfh lfl lfs lfu lha lhb lhc lhf lhh lhs lhu lla llb llc llf lll lls llu lsa lsb lsc lsf lsh lsl lss lsu lua lub luc luf luh lul lus luu saa sab sac saf sah sal sas sau sba sbb sbc sbf sbh sbl sbs sbu sca scb scc scf sch scl scs scu sfa sfb sfc sff sfh sfl sfs sfu sh- sha shb shc shf shh shl shs shu sla slb slc slf slh sll sls slu ss- ssa ssb ssc ssf ssh ssl sss ssu sua sub suc suf suh sul sus suu ua- uaa uab uac uaf uah ual uas uau uba ubb ubc ubf ubh ubl ubs ubu uca ucb ucc ucf uch ucl ucs ucu ufa ufc uff ufh ufl ufs ufu uha uhb uhc uhf uhh uhl uhs uhu ula ulb ulc ulf ull uls ulu usa usb usc usf ush usl uss usu uua uuc uus uuu

a-fu a-ha aaaa aaab aaac aaaf aaah aaal aaas aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aacl aacs aacu aafa aafb aafc aaff aafl aaha aahl aahs aala aalc aall aals aalu aasa aasc aasf aass aasu aaus abaa abab abac abaf abal abas abau abb- abba abbb abbs abca abcb abcc abcf abch abcl abcs abff abha abhs abla abls abs- absa absf absl abss absu abua abuf abul abus acaa acab acac acas acba acbl acca accc accf acch accs accu acfc acfl acfs acha achh achl achs achu acla aclc acls aclu acsa acsc acsl acss acu- acuf acul acus afaa afbs afca afcb afcc afch afcs afcu affa affc affs afhs afla aflc afsa afsb afsc afua afus ahab ahac ahah ahal ahas ahau ahfa ahha ahhs ahla ahlu ahsa ahss ahua ahus alaa alac alal alas alau alb- alba albc albs albu alca alcc alcs alfa alfs alha alhs all- alla allh alll alls allu alsa alsc alua aluf alus asaa asab asac asaf asah asal asas asau asba asbu asc- asca ascb ascc asch ascl asfa asha ashs ashu asla assa assc assh assl asss assu asub asus auaa auca auch aufc aufs aul- aula aulf aull auls aulu ausa aush ausu baaa baaf baah baal baas baba babb babs babu bac- baca bacc bach bacs bafc baff baha bahl bahs bahu bala balc balf ball bals balu basa basc basf bash bass basu bau- bauf baul bbas bbau bbbb bbbs bbch bbfc bbhs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcfc bchs bcsa bcsc bcsl bcss bcuc bfas bfca bfcs bffl bffs bfhs bhca bhcc bhff bhhs bhsf bhuu blaa blab blac blah blas blau blcu blfc blhs blls blss blub bluf blus bsaa bsac bsas bscs bsfa bsfc bsff bsfs bshs bslc bssc bual buba bubb bubs bubu buca bucc buch bucs bucu bufc buff buha buhl buhs bula bulb bull buls bulu busa busc bush buss busu buus caaa caab caac caaf caah caal caas caba cabf cabs cabu cac- caca cacc cach cafa cafb cafc caff cafl cafs cafu caha cahl cahs cala calc calf call cals calu casa casb casc cash casl cass casu cauc cauf caul caus cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbcu cbfb cbfc cbha cbhl cbhs cblb cblc cbsa cbsc cbus ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccl cccs cccu ccfa ccfc ccff ccfl ccha cchl cchs ccla cclc ccls ccsa ccsf ccsl ccss ccuc ccus cfaa cfab cfac cfbc cfbs cfca cfcb cfcf cfcl cfcs cffb cfhs cfls cfsa cfsl chaa chab chac chaf chah chal chas chau chca chch chcs chfa chfc chfs chha chhs chlc chsc chsh chua chub chul chus clab claf clas clau clhs clsa clsc club cluh csaa csab csac csas csbf cscb cscc cscf csch cscl cscs csfc cshl cshs csla