a-a a-b a-c aaa aab aac aae aah aak aas aau ab- aba abb abc abe abh abk abs abu ac- aca acb acc ace ach ack acs acu aea aeb aec aee aeh aek aes aeu aha ahb ahc ahe ahh ahk ahs ahu aka akb akc ake akh akk aks aku as- asa asb asc ase ash ask ass asu au- aua aub auc aue auh auk aus b-u baa bab bac bae bah bak bas bau bba bbb bbc bbe bbh bbk bbs bbu bca bcb bcc bce bch bck bcs bcu be- bea beb bec bee beh bek bes beu bha bhb bhc bhe bhh bhk bhs bhu bka bkb bkc bke bkk bks bsa bsb bsc bse bsh bsk bss bsu bua bub buc bue buh buk bus buu c-- caa cab cac cae cah cak cas cau cba cbb cbc cbe cbh cbk cbs cbu cca ccb ccc cce cch cck ccs ccu ce- cea ceb cec cee ceh cek ces ceu ch- cha chb chc che chh chk chs chu cka ckb ckc ckh cks csa csb csc cse csh csk css csu cua cub cuc cue cuh cuk cus cuu eaa eab eac eae eah eak eas eau eba ebb ebc ebe ebh ebk ebs ebu ec- eca ecb ecc ece ech eck ecs ecu eea eeb eec eee eek ees eha ehb ehc ehe ehh ehs ehu eka ekb ekc eke ekh eks eku es- esa esb esc ese esh esk ess esu eu- eua eub euc eue eus haa hab hac hae hah hak has hau hba hbb hbc hbe hbh hbk hbs hbu hca hcb hcc hce hch hck hcs he- hea heb hec hee heh hek hes heu hha hhb hhc hhe hhh hhk hhs hhu hka hkb hkh hkk hks hku hsa hsb hsc hse hsh hsk hss hsu hua hub huc hue huh huk hus huu ka- kaa kab kac kae kah kak kas kau kba kbb kbc kbe kbh kbk kbs kbu kca kcb kcc kce kch kck kcs kcu ke- kea keb kec kee keh kek kes kha khe khh khk khs khu kkb kkc kke kkh kkk kks kku ksa ksb ksc kse ksh ksk kss ksu kub kuc kue kuh kuk kus kuu saa sab sac sae sah sak sas sau sba sbb sbc sbe sbh sbk sbs sbu sca scb scc sce sch sck scs scu se- sea seb sec see seh sek ses seu sh- sha shb shc she shh shk shs shu sk- ska skb skc ske skh skk sks sku ss- ssa ssb ssc sse ssh ssk sss ssu sua sub suc sue suh suk sus suu ua- uaa uab uac uae uah uak uas uau uba ubb ubc ube ubh ubk ubs ubu uca ucb ucc uce uch uck ucs ucu uea ueb uec uee ueh ues uha uhb uhc uhe uhh uhs uhu uka ukb ukc uke ukk uku usa usb usc use ush usk uss usu uua uuc uue uus uuu

-ase a-ak a-be a-ha aaaa aaab aaac aaae aaah aaas aaba aabb aabc aabh aaca aacb aacc aace aach aack aacs aacu aaea aaec aaes aaha aahk aahs aaka aake aaku aasa aasc aase aass aasu aaus abaa abab abac abae abak abas abau abb- abba abbb abbe abbs abca abcb abcc abch abcs abec abee abes abha abhs abs- absa abse abss absu abua abue abuk abus acaa acab acac acae acas acba acca accc acce acch accs accu ace- acea acec aceh acek aces acha ache achh achs achu acke acks acsa acsc acse acss acu- acue acus aeac aeas aebs aecb aeka aesc aess ahab ahac ahah ahas ahau ahha ahhs ahsa ahse ahss ahua ahus akaa akae akah akas akca akee akes akeu akha akhs akka akku aksa aksu akua asaa asab asac asae asah asak asas asau asba asbu asc- asca ascb ascc asce asch asea asec asee aseh asek ases asha ashe ashk ashs ashu aska aske asks assa assc asse assh assk asss assu asub asue asus auaa aube auca auce auch auke auks ausa ause aush ausu baaa baah baak baas baba babb babe babs babu bac- baca bacc bace bach back bacs baek baes baha bahs bahu bak- baka bake bakh baks baku basa basc base bash bask bass basu bau- bauk bbas bbau bbbb bbbs bbch bbeb bbhs bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bche bchs bcsa bcsc bcss bcuc beah beak beas beau beba bebb bebe beca bech beck becs becu beeb beek bees behs beka beke beks bes- besa bese besh besk bess beuk bhca bhcc bhhs bhuu bkhs bsaa bsac bsas bscs bsea bseb bsec bsee bses bshs bssc bsse buba bubb bube bubs bubu buca bucc buce buch buck bucs bucu buea bueu buha buhe buhs buka buke bukh bukk buku busa busc buse bush busk buss busu buus caaa caab caac caah caas caba cabe cabs cabu cac- caca cacc cace cach cack caec caes caeu caha cahe cahs caka cake casa casb casc case cash cask cass casu cauc cauk caus cbac cbbc cbbs cbca cbcc cbce cbcs cbcu cbea cbec cbee cbha cbhs cbka cbsa cbsc cbse cbus ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs cccu ccee ccha cche cchs ccsa ccss ccuc ccus ceac ceas ceba cebs cebu cec- ceca cece cecs ceeb ceec cees cehs ceke cesa cesc cese cess chaa chab chac chae chah chak chas chau chca chce chch chcs chea cheb chec chee cheh chek ches cheu chha chhs chka chkb chks chsc chse chsh chua chub chuk chus ckac ckbc ckbe ckch ckck ckcs ckhs cksa cksb cksh csaa csab csac csak csas cscb cscc csce csch cscs csea csec csee cseh cshs cska csks cssa csse csua csus cuau cub- cuba cubb cube cubs cuca cucc cuce cuck cuek cues cuk- cuka cuke cusa cusb cush cusk cuss cusu eaba eabh eaca eacc each