a-a a-b a-c aaa aab aac aah aak aas aau ab- aba abb abc abh abk abs abu ac- aca acb acc ach ack acs acu aha ahb ahc ahh ahk ahs ahu aka akb akc akh akk aks aku as- asa asb asc ash ask ass asu au- aua aub auc auh auk aus b-u baa bab bac bah bak bas bau bba bbb bbc bbh bbk bbs bbu bca bcb bcc bch bck bcs bcu bha bhb bhc bhh bhk bhs bhu bka bkb bkc bkk bks bsa bsb bsc bsh bsk bss bsu bua bub buc buh buk bus buu c-- caa cab cac cah cak cas cau cba cbb cbc cbh cbk cbs cbu cca ccb ccc cch cck ccs ccu ch- cha chb chc chh chk chs chu cka ckb ckc ckh cks csa csb csc csh csk css csu cua cub cuc cuh cuk cus cuu haa hab hac hah hak has hau hba hbb hbc hbh hbk hbs hbu hca hcb hcc hch hck hcs hha hhb hhc hhh hhk hhs hhu hka hkb hkh hkk hks hku hsa hsb hsc hsh hsk hss hsu hua hub huc huh huk hus huu ka- kaa kab kac kah kak kas kau kba kbb kbc kbh kbk kbs kbu kca kcb kcc kch kck kcs kcu kha khh khk khs khu kkb kkc kkh kkk kks kku ksa ksb ksc ksh ksk kss ksu kub kuc kuh kuk kus kuu saa sab sac sah sak sas sau sba sbb sbc sbh sbk sbs sbu sca scb scc sch sck scs scu sh- sha shb shc shh shk shs shu sk- ska skb skc skh skk sks sku ss- ssa ssb ssc ssh ssk sss ssu sua sub suc suh suk sus suu ua- uaa uab uac uah uak uas uau uba ubb ubc ubh ubk ubs ubu uca ucb ucc uch uck ucs ucu uha uhb uhc uhh uhs uhu uka ukb ukc ukk uku usa usb usc ush usk uss usu uua uuc uus uuu

a-ak a-ha aaaa aaab aaac aaah aaas aaba aabb aabc aabh aaca aacb aacc aach aack aacs aacu aaha aahk aahs aaka aaku aasa aasc aass aasu aaus abaa abab abac abak abas abau abb- abba abbb abbs abca abcb abcc abch abcs abha abhs abs- absa abss absu abua abuk abus acaa acab acac acas acba acca accc acch accs accu acha achh achs achu acks acsa acsc acss acu- acus ahab ahac ahah ahas ahau ahha ahhs ahsa ahss ahua ahus akaa akah akas akca akha akhs akka akku aksa aksu akua asaa asab asac asah asak asas asau asba asbu asc- asca ascb ascc asch asha ashk ashs ashu aska asks assa assc assh assk asss assu asub asus auaa auca auch auks ausa aush ausu baaa baah baak baas baba babb babs babu bac- baca bacc bach back bacs baha bahs bahu bak- baka bakh baks baku basa basc bash bask bass basu bau- bauk bbas bbau bbbb bbbs bbch bbhs bcaa bcas bcbc bcbs bcca bccc bccs bchs bcsa bcsc bcss bcuc bhca bhcc bhhs bhuu bkhs bsaa bsac bsas bscs bshs bssc buba bubb bubs bubu buca bucc buch buck bucs bucu buha buhs buka bukh bukk buku busa busc bush busk buss busu buus caaa caab caac caah caas caba cabs cabu cac- caca cacc cach cack caha cahs caka casa casb casc cash cask cass casu cauc cauk caus cbac cbbc cbbs cbca cbcc cbcs cbcu cbha cbhs cbka cbsa cbsc cbus ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs cccu ccha cchs ccsa ccss ccuc ccus chaa chab chac chah chak chas chau chca chch chcs chha chhs chka chkb chks chsc chsh chua chub chuk chus ckac ckbc ckch ckck ckcs ckhs cksa cksb cksh csaa csab csac csak csas cscb cscc csch cscs cshs cska csks cssa csua csus cuau cub- cuba cubb cubs cuca cucc cuck cuk- cuka cusa cusb cush cusk cuss cusu haab haak haas haba habs habu hack hacs haha hahs haka hakk haks haku hasa hasc hash hask hass hau- haus hbbs hbhs hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss hhaa hhhh hhhs hhus hkbu hkcc hkcs hsac hsas hsbc hscc hshs hsua huac huah huas huba hubb hubs huch huck hucs hucu huhs huhu husa hush husk huss huub huus kaaa kaab kaak kaas kaba kabb kabc kabu kacb kacc kach kacs kacu kaha kahc kahs kahu kaka kakc kakh kakk kaks kaku kas- kasa kasb kasc kash kask kass kasu kau- kaub kauc kauk kaus kbaa kbab kbac kbak kbas kbba kbbb kbbc kbbk kbbs kbbu kbca kbcb kbch kbck kbcs kbcu kbhb kbhc kbhh kbhs kbkb kbkk kbsa kbsb kbsk kbss kbsu kbua kbub kbuc kbuk kbus kbuu kcaa kcab kcac kcah kcas kcau kcba kcbc kcbk kcbs kcbu kcca kccb kccc kcck kccu kcha kchh kchk kchs kchu kckc kckk kcsa kcsb kcsc kcss kcsu kcua kcub kcuh kcuk khab khac khak khas khbc khbs khca khcb khcc khch khck khcs khhk khhs khka khkk khks khss khsu khub khuk khus kkaa kkac kkba kkbb kkbs kkcb kkch kkck kkcs kkha kkhb kkhh kkhk kkkk kksa kkss kksu kkua kkus kkuu ksab ksac ksah ksak ksas ksau ksba ksbc ksbh ksbs ksca kscb ksch ksck kscs kscu ksha kshb kshk kshs kshu kska kskb kskk ksks ksku kssa ksss kssu ksua ksub ksuh ksuu kuac kuah kuau kuba kubb kubc kubs kubu kuca kucb kucc kuch kuhs kuhu kuka kukh kukk kuks kuku kusa kusb kusc kush kusu kuub kuuk kuuu sa-c saab saac saah saak saas saba sabb sabc sabs sabu saca sacc sack sacs sacu saha sahk sahs sahu saka sakb sakk saks saku sasa sasc sash sask sass saua sauc sauh sauk saus sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhk sbhs sbsa sbus scaa scab scac scak scas scba sccc sccs sch- scha schh schs sck- scsa