a-ha aaaa aaab aaac aaah aaap aaas aaba aabb aabc aabh aabp aaca aacb aacc aach aacp aacs aacu aaha aahs aapa aapc aaph aaps aasa aasc aass aasu aaup aaus abaa abab abac abap abas abau abb- abba abbb abbs abca abcb abcc abch abcp abcs abha abhs abpa abpc abpp abps abs- absa absp abss absu abua abus acaa acab acac acap acas acba acca accc acch accp accs accu acha achh achp achs achu acpa acps acpu acsa acsc acss acu- acup acus ahab ahac ahah ahas ahau ahha ahhs ahpu ahsa ahss ahua ahus apac apah apap apas apba apbs apca apcb apcc apcs aph- apha aphc aphs appa appc apph apps appu apsa apss apsu apua apuc apup apus asaa asab asac asah asap asas asau asba asbu asc- asca ascb ascc asch ascp asha ashp ashs ashu aspa aspc asph asps assa assc assh assp asss assu asub asus auaa auca auch aucp aupc aups ausa aush ausu baaa baah baas baba babb babs babu bac- baca bacc bach bacs baha bahs bahu bapa bapc bapp baps bapu basa basc bash bass basu bau- bbas bbau bbbb bbbs bbch bbhs bcaa bcap bcas bcbc bcbp bcbs bcca bccc bccs bchs bcpp bcps bcsa bcsc bcss bcuc bcup bhca bhcc bhhs bhuu bpcp bphc bphs bpsa bpsu bsaa bsac bsap bsas bscp bscs bshs bspp bssc bsup buba bubb bubs bubu buca bucc buch bucs bucu buha buhs bupa bupc bups busa busc bush buss busu buus caaa caab caac caah caap caas caba cabs cabu cac- caca cacc cach caha cahs capa capb capc caph capp caps capu casa casb casc cash casp cass casu cauc caup caus cbac cbbc cbbs cbca cbcc cbcp cbcs cbcu cbha cbhs cbpc cbpp cbsa cbsc cbus ccaa ccab ccac ccap ccas ccba ccbc ccca cccb cccc cccp cccs cccu ccha cchp cchs ccpa ccpp ccps ccsa ccsp ccss ccuc ccup ccus chaa chab chac chah chap chas chau chbp chca chch chcp chcs chha chhs chpa chpp chsc chsh chua chub chus cpaa cpac cpap cpas cpbc cpca cpcs cpcu cpha cphs cppa cpps cpsa cpsc cpsu cpus csaa csab csac csas cscb cscc csch cscs cshp cshs cspa cspb cspc csps cssa csua csup csus cuau cub- cuba cubb cubs cuca cucc cupp cups cusa cusb cush cusp cuss cusu haab haas haba habs habu hacs haha hahs hapa happ haps hapu hasa hasc hash hasp hass hau- haus hbbs hbhs hbss hcap hcbc hcbs hcca hccb hccc hcch hccs hchs hcpc hcps hcsa hcsc hcss hhaa hhhh hhhs hhpa hhpc hhus hpac hpcc hphs hpps hpsc hpss hsac hsas hsbc hscc hshs hspa hsps hssp hsua huac huah huas huba hubb hubs huch hucs hucu huhs huhu hupa hupp hups husa hush huss huub huus paap paas paba pabu paca pach pacs pacu paha pahp pahs pahu papa papb papp paps pasa pasc pash pasp pass paua pauh paup paus pbac pbcc pbhs pbpa pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccs pcha pchp pchs pcpb pcpp pcps pcsa phah phbs phcc phhs phpa phsc phua ppac ppap ppcc ppcs pphs pppa pppp ppps ppsh ppss psac psap psas psca pscu psha pshc pshs psph pspp psps pssa pssc puah puas pubs pubu puca puch puha pupa pups pupu pusa push puss puuc sa-c saab saac saah saap saas saba sabb sabc sabs sabu saca sacc sacs sacu saha sahs sahu sapa sapp saps sasa sasc sash sass saua sauc sauh saup saus sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbsa sbsp sbus scaa scab scac scap scas scba sccc sccp sccs sch- scha schh schs scpa scpb scps scsa scsc scsh scsu scua scub scup shab shac shah shap shas shau shbs shca shcc shcp shha shhh shhs shps shsc shua shub shup shus shuu sp-a spac spap spas spau spca spcc spcs sphs spps spsa spsp spss spus ssaa ssab ssac ssap ssas ssau ssca sscc sscp sscs sshs sspa sspc ssps sssa sssb sssc sssh ssss suas sub- suba subb subh subs suc- succ such sucs suha suhb sup- supa suph supp sups sus- susa susp suss susu suus uabc uaca uahs uasa uasp uaua ubac ubba ubpc ucas ucbc ucca uccp ucha uchs ucpa ucpb ucph ucsa ucsb ucsc ucsu ucua uhss uhuh uhup upac upas upca upcs uppa uppc uppp uppu upsa upsc upup us-a usaa usac usap usas usba usbc usbs usca uscc usch uscs usha ushs ushu uspa uspc uspp usps ussa ussb ussc usss ussu usua usus uucp uuuu