-ic a-a a-b a-c a-i aaa aab aac aai aan aas aau ab- aba abb abc abi abn abs abu ac- aca acb acc aci acn acs acu ai- aia aib aic aii ain ais aiu an- ana anb anc ani ann ans anu as- asa asb asc asi asn ass asu au- aua aub auc aui aun aus b-u baa bab bac bai ban bas bau bba bbb bbc bbi bbn bbs bbu bca bcb bcc bci bcn bcs bcu bi- bia bib bic bii bin bis biu bna bnb bnc bni bnn bns bnu bsa bsb bsc bsi bsn bss bsu bua bub buc bui bun bus buu c-- caa cab cac cai can cas cau cba cbb cbc cbi cbn cbs cbu cca ccb ccc cci ccn ccs ccu ci- cia cib cic cii cin cis ciu cn- cna cnb cnc cni cnn cns cnu csa csb csc csi csn css csu cua cub cuc cui cun cus cuu ia- iaa iab iac iai ian ias iau iba ibb ibc ibi ibn ibs ibu ica icb icc ici icn ics icu iia iib iic iii iin iis iiu in- ina inb inc ini inn ins inu is- isa isb isc isi isn iss isu iu- iua iub iuc iui ius n-i naa nab nac nai nan nas nau nba nbb nbc nbi nbn nbs nbu nca ncb ncc nci ncn ncs ncu nia nib nic nii nin nis niu nna nnb nnc nni nnn nns nnu nsa nsb nsc nsi nsn nss nsu nua nub nuc nui nun nus nuu saa sab sac sai san sas sau sba sbb sbc sbi sbn sbs sbu sca scb scc sci scn scs scu sia sib sic sii sin sis siu sna snb snc sni snn sns snu ss- ssa ssb ssc ssi ssn sss ssu sua sub suc sui sun sus suu ua- uaa uab uac uai uan uas uau uba ubb ubc ubi ubn ubs ubu uca ucb ucc uci ucn ucs ucu uia uib uic uii uin uis uiu un- una unb unc uni unn uns unu usa usb usc usi usn uss usu uua uuc uun uus uuu

-ana a-ii a-un aaaa aaab aaac aaai aaan aaas aaba aabb aabc aabi aaca aacb aacc aaci aacn aacs aacu aaib aaic aaii aain aais aana aani aasa aasc aasi aass aasu aaus abaa abab abac abai aban abas abau abb- abba abbb abbi abbs abca abcb abcc abci abcn abcs abia abib abic abin abis abiu abnu abs- absa absi abss absu abua abun abus acaa acab acac acai acan acas acba acca accc acci accs accu aci- acia acic acin acis acsa acsc acsi acss acu- acus aiai aian aias aiba aibn aica aicc aics aiia aiib aiic aiin aina ainc aini ains ainu aisa aisb aisi aiui ana- anaa anab anac anai anan anas anau anba anbb anbi anbu anca ancc ania anib anic anin anis aniu anna annb anni anns ansa ansi ansu anua anub anui anun anus asaa asab asac asai asan asas asau asba asbu asc- asca ascb ascc asci asia asic asii asin asis asnc asni assa assc assi assn asss assu asub asui asun asus auaa auca auci auis auna ausa ausu ba-i baaa baan baas baba babb babi babs babu bac- baca bacc baci bacn bacs baia baib baic bain bais bana banc bani bann bans banu basa basc basi bass basu bau- bbas bbau bbbb bbbs bbci bbin bcaa bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcnu bcsa bcsc bcsn bcss bcuc bian bias biba bibb bibi bibs bica bicc bici bics biin biis bin- bina binc bini binn bins binu bis- bisa bisc biss bisu bnai bnas bnib bnin bnss bsaa bsac bsas bsci bscs bsic bsin bsns bssc buba bubb bubi bubs bubu buca bucc buci bucs bucu buic buin buis buiu buna bunb buni bunn buns bunu busa busc busi buss busu buus caaa caab caac caan caas caba cabi cabs cabu cac- caca cacc caci caia caib caic cain cais caiu cana canc cani cann cans casa casb casc casi cass casu cauc caus cbac cbbc cbbs cbca cbcc cbcn cbcs cbcu cbia cbna cbsa cbsc cbsi cbsn cbus ccaa ccab ccac ccai ccas ccba ccbc ccbn ccca cccb cccc ccci cccs cccu ccic ccii ccis ccna ccnb ccnc ccni ccns ccnu ccsa ccsi ccsn ccss ccuc ccus ciaa cian cias ciau ciba cibc cibi cica cicc cici cics cicu ciia ciii ciis cin- cina cinc cini cis- cisa cisc cisn ciss ciuc cius cnaa cnac cnas cnbc cnci cnib cnic cnna cnsa cnss csaa csab csac csas cscb cscc csci cscs csia csib csis cssa csua csus cuan cuau cub- cuba cubb cubi cubs cuca cucc cuci cucn cui- cuin cuis cuna cusa cusb cuss cusu iaaa iaac iaai iaas iaba iaca iacc iacs iacu iaia iain iais iana ians iasa iasc iasi ibac iban ibas ibca ibcs ibia ibis ibns ibsa ibsn ibss ibus icaa icab icac icai ican icas icbc icbs icca iccb iccc icci iccn iccs iccu icis icnb icnc icns icsa icsb icsc icsi icss icub icus iiac iias iica iiii iiis iisc iisi iisu iiuc inab inac inai inan inas inau inba inca incb inci incs inia inis inna inni inns innu insa insc inss insu inua inui inun inus is-a isac isai isan isas isba isbn isca iscc isci iscn iscs iscu isia isic isin isis isna issa issc issi isss issu isua isus iucc iuiu iuss n-ii naaa naab naac naai naan naas naba nabc nabi nabs nabu naca nacc naci nacs naia naib naic nain nais nan- nana nanb nani nann nans nanu nas- nasa nasb nasc nasi nass nasu naus nbaa nbas nbbc nbca nbcc nbci nbcs nbia nbic ncaa ncac ncba ncbc ncbi ncbs ncca nccc ncci nccn nccs nccu ncia ncis ncna ncnc ncsa ncsc ncsi ncss ncua niab niac nian nias niau nibi nibs nica nicc nici nics nicu