a-a a-b a-c a-t aaa aab aac aae aak aao aas aat ab- aba abb abc abe abk abo abs abt ac- aca acb acc ace ack aco acs act aea aeb aec aee aek aeo aes aet aka akb akc ake akk ako aks aoa aob aoc aoe aok aoo aos aot as- asa asb asc ase ask aso ass ast at- ata atb atc ate ato ats att baa bab bac bae bak bao bas bat bba bbb bbc bbe bbk bbo bbs bbt bca bcb bcc bce bck bco bcs bct be- bea beb bec bee bek beo bes bet bka bkb bkc bke bkk bko bks bkt boa bob boc boe bok boo bos bot bsa bsb bsc bse bsk bso bss bst bta btb btc bte btk bto bts btt c-- caa cab cac cae cak cao cas cat cba cbb cbc cbe cbk cbo cbs cbt cca ccb ccc cce cck cco ccs cct ce- cea ceb cec cee cek ceo ces cet cka ckb ckc cko cks ckt co- coa cob coc coe cok coo cos cot csa csb csc cse csk cso css cst cta ctb ctc cte ctk cto cts ctt eaa eab eac eae eak eao eas eat eba ebb ebc ebe ebk ebo ebs ebt ec- eca ecb ecc ece eck eco ecs ect eea eeb eec eee eek eeo ees eet eka ekb ekc eke eko eks ekt eo- eoa eob eoc eoe eok eoo eos eot es- esa esb esc ese esk eso ess est eta etb etc ete etk eto ets ett k-t ka- kaa kab kac kae kak kao kas kat kba kbb kbc kbe kbk kbo kbs kca kcb kcc kce kck kcs kct ke- kea keb kec kee kek keo kes ket kkb kkc kke kkk kks kkt koa kob koc koe kok koo kos kot ksa ksb ksc kse ksk kso kss kst kta ktb ktc kte ktk kto kts ktt oaa oab oac oae oak oao oas oat ob- oba obb obc obe obk obo obs obt oc- oca ocb occ ock oco ocs oct oea oeb oec oee oeo oes oet oka okb okc oke okk oko oks oo- ooa oob ooc ook ooo oos oot os- osa osb osc ose osk oso oss ost ot- ota otb otc ote otk oto ots ott saa sab sac sae sak sao sas sat sba sbb sbc sbe sbk sbo sbs sbt sca scb scc sce sck sco scs sct se- sea seb sec see sek seo ses set sk- ska skb skc ske skk sko sks skt soa sob soc soe sok soo sos sot ss- ssa ssb ssc sse ssk sso sss sst sta stb stc ste stk sto sts stt taa tab tac tae tak tao tas tat tba tbb tbc tbe tbk tbo tbs tbt tca tcb tcc tce tck tco tcs tct te- tea teb tec tee tek teo tes tet tka tkb tkc tke tkk tko tks tkt to- toa tob toc toe tok too tos tot tsa tsb tsc tse tsk tso tss tst tta ttb ttc tte ttk tto tts ttt

-ase -ose a-ak a-be a-ok aaaa aaab aaac aaae aaas aaba aabb aabc aabt aaca aacb aacc aace aack aaco aacs aact aaea aaec aaes aaka aake aaoe aaoo aasa aasc aase aass aast aata aatc aatk aatt abaa abab abac abae abak abas abat abb- abba abbb abbe abbo abbs abbt abca abcb abcc abcs abct abec abee abes abet aboa abob abok aboo abos abot abs- absa abse abss abta abts ac-t acaa acab acac acae acas acat acba acca accc acce acco accs acct ace- acea acec acek aces acet acke acks acoa acoe acos acot acsa acsc acse acss acst acta actc acte acto acts actt aeac aeas aebs aecb aect aeka aesc aess aest aeta aetc aeto aett akaa akae akao akas akca akee akes akka akko akok akos akot aksa akst akte aoba aoca aoce aocs aoks aoss aotc asaa asab asac asae asak asao asas asat asba asbo asc- asca ascb ascc asce asco asct asea asec asee asek ases aset aska aske asko asks askt asob asoc asok asos asot assa assc asse assk asso asss asst asta astb astc aste asto asts at-t ataa atab atac atae atak atas atat atbs atca atcc atck atco atcs atea atec atee ateo ates atka atkt atob atoc atoe atok atos atot atsb atsc atse atst atta atte atto atts baaa baak baas baat baba babb babe babo babs bac- baca bacc bace back baco bacs bact baek baes bak- baka bake bako baks bakt baos basa basc base bask baso bass bast bata batc bate bato bats batt bbas bbbb bbbs bbeb bbet bcaa bcas bcat bcbc bcbs bcca bccc bccs bcec bces bcet bcos bcsa bcsc bcss bctc bcts beak beas beat beba bebb bebe bebo beca beck becs beeb beek bees beet beka beke beko beks beo- beok beos beot bes- besa bese besk beso bess best beta betc bete beto bets bett boab boac boak boas boat boba bobb bobe bobo bobs boca boce bock boco bocs boea boec boee boeo boes boet boka boke boko boks boob booc booe book boos boot bosa bosc bose bosk boso boss bost bota botb bote boto bots bott bsaa bsac bsas bsat bscs bsea bseb bsec bsee bses bset bskt bsos bssc bsse bsts btaa btcc btcs btec btek btob btss bttb c-bo caaa caab caac caas caat caba cabe cabo cabs cac- caca cacc cace cack caco caec caes caka cake caos casa casb casc case cask caso cass cast cat- cata catb catc cate cato cats catt cbac cbat cbbc cbbs cbca cbcc cbce cbcs cbct cbea cbec cbee cbet cbka cbko cbot cbsa cbsc cbse cbta cbtc ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc cccs ccee ccob ccoc ccsa ccss ccst cctb cctc cctt ceac ceas ceat ceba cebs