a-a a-b a-c aaa aab aac aah aan aas aau ab- aba abb abc abh abn abs abu ac- aca acb acc ach acn acs acu aha ahb ahc ahh ahn ahs ahu an- ana anb anc anh ann ans anu as- asa asb asc ash asn ass asu au- aua aub auc auh aun aus b-u baa bab bac bah ban bas bau bba bbb bbc bbh bbn bbs bbu bca bcb bcc bch bcn bcs bcu bha bhb bhc bhh bhs bhu bna bnb bnc bnn bns bnu bsa bsb bsc bsh bsn bss bsu bua bub buc buh bun bus buu c-- caa cab cac cah can cas cau cba cbb cbc cbh cbn cbs cbu cca ccb ccc cch ccn ccs ccu ch- cha chb chc chh chn chs chu cn- cna cnb cnc cnh cnn cns cnu csa csb csc csh csn css csu cua cub cuc cuh cun cus cuu haa hab hac hah han has hau hba hbb hbc hbh hbn hbs hbu hca hcb hcc hch hcn hcs hha hhb hhc hhh hhn hhs hhu hna hnb hnc hnh hnn hns hnu hsa hsb hsc hsh hsn hss hsu hua hub huc huh hun hus huu naa nab nac nah nan nas nau nba nbb nbc nbn nbs nbu nca ncb ncc nch ncn ncs ncu nha nhb nhc nhh nhn nhs nhu nna nnb nnc nnh nnn nns nnu nsa nsb nsc nsh nsn nss nsu nua nub nuc nuh nun nus nuu saa sab sac sah san sas sau sba sbb sbc sbh sbn sbs sbu sca scb scc sch scn scs scu sh- sha shb shc shh shn shs shu sna snb snc snn sns snu ss- ssa ssb ssc ssh ssn sss ssu sua sub suc suh sun sus suu ua- uaa uab uac uah uan uas uau uba ubb ubc ubh ubn ubs ubu uca ucb ucc uch ucn ucs ucu uha uhb uhc uhh uhs uhu un- una unb unc unh unn uns unu usa usb usc ush usn uss usu uua uuc uun uus uuu

-ana a-ha a-un aaaa aaab aaac aaah aaan aaas aaba aabb aabc aabh aaca aacb aacc aach aacn aacs aacu aaha aahs aana aasa aasc aass aasu aaus abaa abab abac aban abas abau abb- abba abbb abbs abca abcb abcc abch abcn abcs abha abhs abnu abs- absa abss absu abua abun abus acaa acab acac acan acas acba acca accc acch accs accu acha achh achs achu acsa acsc acss acu- acus ahab ahac ahah ahas ahau ahha ahhs ahsa ahss ahua ahun ahus ana- anaa anab anac anah anan anas anau anba anbb anbu anca ancc anha anhs anna annb anns ansa ansu anua anub anun anus asaa asab asac asah asan asas asau asba asbu asc- asca ascb ascc asch asha ashs ashu asnc assa assc assh assn asss assu asub asun asus auaa auca auch auna ausa aush ausu baaa baah baan baas baba babb babs babu bac- baca bacc bach bacn bacs baha bahn bahs bahu bana banc banh bann bans banu basa basc bash bass basu bau- bbas bbau bbbb bbbs bbch bbhs bcaa bcas bcbc bcbs bcca bccc bccs bchs bcnu bcsa bcsc bcsn bcss bcuc bhan bhca bhcc bhhs bhuu bnas bnhs bnss bsaa bsac bsas bscs bshs bsns bssc buba bubb bubs bubu buca bucc buch bucs bucu buha buhs buna bunb bunn buns bunu busa busc bush buss busu buus caaa caab caac caah caan caas caba cabs cabu cac- caca cacc cach caha cahn cahs cana canc canh cann cans casa casb casc cash cass casu cauc caus cbac cbbc cbbs cbca cbcc cbcn cbcs cbcu cbha cbhs cbna cbsa cbsc cbsn cbus ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs cccu ccha cchs ccna ccnb ccnc ccns ccnu ccsa ccsn ccss ccuc ccus chaa chab chac chah chan chas chau chca chch chcs chha chhs chnb chnc chns chsc chsh chua chub chun chus cnaa cnac cnas cnbc cnhs cnna cnsa cnss csaa csab csac csas cscb cscc csch cscs cshs cssa csua csus cuan cuau cub- cuba cubb cubs cuca cucc cucn cuna cusa cusb cush cuss cusu haab haan haas haba habs habu hacs haha hahn hahs hana hanc hann hans hasa hasc hash hass hau- haun haus hbbs hbhs hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss hhaa hhhh hhhs hhus hncs hnhs hnna hsac hsas hsbc hscc hscn hshs hsua huac huah huan huas huba hubb hubs huch hucs hucu huhn huhs huhu huna hunc hunh huns husa hush huss huub huus naaa naab naac naan naas naba nabc nabs nabu naca nacc nach nacs naha nahs nan- nana nanb nann nans nanu nas- nasa nasb nasc nash nass nasu naus nbaa nbas nbbc nbca nbcc nbcs nbhs ncaa ncac ncba ncbc ncbs ncca nccc nccn nccs nccu ncha nchc nchs ncna ncnc ncsa ncsc ncss ncua nhcc nhhs nhnn nhsc nnhs nnnn nnsa nnss nsaa nsac nsca nscc nscs nshs nsna nssa nssb nssc nsss nsub nuan nuba nubc nubs nuca nuch nucs nucu nuha nuna nunc nunn nuns nush nuss nusu sa-c saab saac saah saan saas saba sabb sabc sabs sabu saca sacc sacn sacs sacu saha sahn sahs sahu sana sann sans sanu sasa sasc sash sass saua sauc sauh saun saus sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbsa sbus scaa scab scac scan scas scba sccc sccs sch- scha schh schs scna scsa scsc scsh scsn scsu scua scub scun shab shac shah shan shas shau shbs shca shcc shha shhh shhs shsc shua shub shun shus shuu snab snas snba snca sncc snhs snns snub snus ssaa ssab ssac ssan ssas ssau ssbn ssca sscc sscs sshs ssns sssa sssb sssc sssh ssss suan suas sub- suba subb subh subs suc- succ such sucs suha suhb sun- suna sunb sunn suns sunu sus- susa suss susu suus