-al -er a-a a-b a-c aaa aab aac aae aah aak aal aar aas ab- aba abb abc abe abh abk abl abr abs ac- aca acb acc ace ach ack acl acr acs aea aeb aec aee aeh aek ael aer aes aha ahb ahc ahe ahh ahk ahl ahr ahs aka akb akc ake akh akk akl akr aks al- ala alb alc ale alh alk all alr als ar- ara arb arc are arh ark arl arr ars as- asa asb asc ase ash ask asl asr ass baa bab bac bae bah bak bal bar bas bba bbb bbc bbe bbh bbk bbl bbr bbs bca bcb bcc bce bch bck bcl bcr bcs be- bea beb bec bee beh bek bel ber bes bha bhb bhc bhe bhh bhk bhl bhr bhs bka bkb bkc bke bkk bkl bkr bks bla blb blc ble blh blk bll blr bls bra brb bre brh brk brl brr brs bsa bsb bsc bse bsh bsk bsl bsr bss c-- caa cab cac cae cah cak cal car cas cba cbb cbc cbe cbh cbk cbl cbr cbs cca ccb ccc cce cch cck ccl ccr ccs ce- cea ceb cec cee ceh cek cel cer ces ch- cha chb chc che chh chk chl chr chs cka ckb ckc ckh cks cl- cla clb clc cle clh clk cll clr cls cra crb crc cre crh crk crl crr crs csa csb csc cse csh csk csl csr css eaa eab eac eae eah eak eal ear eas eba ebb ebc ebe ebh ebk ebl ebr ebs ec- eca ecb ecc ece ech eck ecl ecr ecs eea eeb eec eee eek eel eer ees eha ehb ehc ehe ehh ehl ehr ehs eka ekb ekc eke ekh ekl ekr eks ela elb elc ele elh elk ell elr els era erb erc ere erh erk erl err ers es- esa esb esc ese esh esk esl esr ess haa hab hac hae hah hak hal har has hba hbb hbc hbe hbh hbk hbl hbr hbs hca hcb hcc hce hch hck hcl hcr hcs he- hea heb hec hee heh hek hel her hes hha hhb hhc hhe hhh hhk hhl hhr hhs hka hkb hkh hkk hkl hkr hks hla hlb hlc hle hlh hll hlr hls hr- hra hrb hrc hre hrh hrk hrl hrr hrs hsa hsb hsc hse hsh hsk hsl hsr hss ka- kaa kab kac kae kah kak kal kar kas kba kbb kbc kbe kbh kbk kbl kbr kbs kca kcb kcc kce kch kck kcl kcr kcs ke- kea keb kec kee keh kek kel ker kes kha khe khh khk khr khs kkb kkc kke kkh kkk kkl kkr kks kl- kla klb klc klh klr kls kra krc krk krl krr krs ksa ksb ksc kse ksh ksk ksl ksr kss la- laa lab lac lae lah lak lal lar las lba lbb lbc lbe lbh lbk lbl lbr lbs lca lcb lcc lce lch lck lcl lcr lcs lea leb lec lee leh lek lel ler les lha lhb lhc lhh lhk lhr lhs lka lkb lkh lkl lkr lks lla llb llc lle llk lll llr lls lra lrb lrc lrh lrk lrr lrs lsa lsb lsc lse lsh lsk lsl lsr lss ra- raa rab rac rae rah rak ral rar ras rba rbb rbc rbe rbh rbk rbl rbr rbs rca rcb rcc rce rch rcl rcr rcs re- rea reb rec ree reh rek rel rer res rh- rha rhb rhc rhe rhh rhl rhr rhs rkb rkc rke rkk rks rla rlc rle rlh rll rlr rls rra rrb rrc rrh rrk rrl rrr rrs rsa rsb rsc rse rsh rsk rsl rsr rss saa sab sac sae sah sak sal sar sas sba sbb sbc sbe sbh sbk sbl sbr sbs sca scb scc sce sch sck scl scr scs se- sea seb sec see seh sek sel ser ses sh- sha shb shc she shh shk shl shr shs sk- ska skb skc ske skh skk skl skr sks sla slb slc sle slh slk sll slr sls sr- sra srb src sre srh srk srl srr srs ss- ssa ssb ssc sse ssh ssk ssl ssr sss

-ase a-ak a-be a-ha aaaa aaab aaac aaae aaah aaal aaar aaas aaba aabb aabc aabh aabl aaca aacb aacc aace aach aack aacl aacr aacs aaea aaec aaes aaha aahk aahl aahs aaka aake aala aalc aale aall aals aara aarc aare aars aasa aasc aase aass abaa abab abac abae abak abal abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abch abcl abcr abcs abec abee abel aber abes abha abhr abhs abla able abls abra abrc abrs abs- absa abse absl abss acaa acab acac acae acar acas acba acbl acca accc acce acch accs ace- acea acec aceh acek acel acer aces acha ache achh achl achr achs acke acks acla aclc acle aclr acls acr- acra acrc acre acrr acrs acsa acsc acse acsl acss aeac aeas aebs aecb aecl aeer aeka aela aelc aer- aera aerc aers aesc aess ahab ahac ahah ahal ahar ahas ahel ahha ahhs ahla ahle ahra ahrc ahre ahrr ahrs ahsa ahse ahss akaa akae akah akal akar akas akca akee akel aker akes akha akhs akka akle akr- akra akre aksa alaa alac alae alak alal alar alas alb- alba albc albe albs alca alcc alce alcs alea alec alee aleh alek aler ales alha alhs alk- alka alkb alke all- alla alle allh alll allr alls alsa alsc alse arab arac arae arah arak aral arar aras arba arbe arbh arbs arc- arca arce arch arcs area arec aree areh arek arel ares arh- arhs arka arke arkh arks arla arle arr- arra arrc arre arrh arrk arrr arrs ars- arsa arsc arse arsk asaa asab asac asae asah asak asal asar asas