-ic a-a a-b a-c a-i aaa aab aac aaf aah aai aas aau ab- aba abb abc abf abh abi abs abu ac- aca acb acc acf ach aci acs acu af- afa afb afc aff afh afi afs afu aha ahb ahc ahf ahh ahi ahs ahu ai- aia aib aic aif aih aii ais aiu as- asa asb asc asf ash asi ass asu au- aua aub auc auf auh aui aus b-u baa bab bac baf bah bai bas bau bba bbb bbc bbf bbh bbi bbs bbu bca bcb bcc bcf bch bci bcs bcu bfa bfb bfc bff bfh bfi bfs bfu bha bhb bhc bhf bhh bhi bhs bhu bi- bia bib bic bif bih bii bis biu bsa bsb bsc bsf bsh bsi bss bsu bua bub buc buf buh bui bus buu c-- caa cab cac caf cah cai cas cau cba cbb cbc cbf cbh cbi cbs cbu cca ccb ccc ccf cch cci ccs ccu cfa cfb cfc cff cfh cfi cfs cfu ch- cha chb chc chf chh chi chs chu ci- cia cib cic cif cih cii cis ciu csa csb csc csf csh csi css csu cua cub cuc cuf cuh cui cus cuu faa fab fac faf fah fai fas fau fba fbb fbc fbf fbh fbi fbs fbu fca fcb fcc fcf fci fcs fcu ffa ffc fff ffh ffi ffs ffu fha fhb fhc fhf fhh fhi fhs fia fib fic fif fih fii fis fiu fsa fsb fsc fsf fsh fsi fss fsu fua fub fuf fui fus fuu h-i haa hab hac haf hah hai has hau hba hbb hbc hbf hbh hbi hbs hbu hca hcb hcc hcf hch hci hcs hfa hfb hfc hff hfh hfi hfs hfu hha hhb hhc hhf hhh hhi hhs hhu hia hib hic hif hih hii his hiu hsa hsb hsc hsf hsh hsi hss hsu hua hub huc huf huh hui hus huu i-f ia- iaa iab iac iaf iah iai ias iau iba ibb ibc ibf ibh ibi ibs ibu ica icb icc icf ich ici ics icu ifa ifb ifc iff ifi ifs ifu iha ihb ihc ihf ihh ihi ihs ihu iia iib iic iif iih iii iis iiu is- isa isb isc isf ish isi iss isu iu- iua iub iuc iui ius saa sab sac saf sah sai sas sau sba sbb sbc sbf sbh sbi sbs sbu sca scb scc scf sch sci scs scu sfa sfb sfc sff sfh sfi sfs sfu sh- sha shb shc shf shh shi shs shu sia sib sic sif sih sii sis siu ss- ssa ssb ssc ssf ssh ssi sss ssu sua sub suc suf suh sui sus suu ua- uaa uab uac uaf uah uai uas uau uba ubb ubc ubf ubh ubi ubs ubu uca ucb ucc ucf uch uci ucs ucu ufa ufc uff ufh ufi ufs ufu uha uhb uhc uhf uhh uhi uhs uhu uia uib uic uif uii uis uiu usa usb usc usf ush usi uss usu uua uuc uus uuu

a-fu a-ha a-ii aaaa aaab aaac aaaf aaah aaai aaas aaba aabb aabc aabh aabi aaca aacb aacc aacf aach aaci aacs aacu aafa aafb aafc aaff aafi aaha aahs aaib aaic aaii aais aasa aasc aasf aasi aass aasu aaus abaa abab abac abaf abai abas abau abb- abba abbb abbi abbs abca abcb abcc abcf abch abci abcs abff abha abhi abhs abia abib abic abis abiu abs- absa absf absi abss absu abua abuf abus acaa acab acac acai acas acba acca accc accf acch acci accs accu acfc acfi acfs acha achh achi achs achu aci- acia acic acif acis acsa acsc acsi acss acu- acuf acus afaa afbs afca afcb afcc afch afci afcs afcu affa affc affi affs afhs afia afib afif afis afsa afsb afsc afua afus ahab ahac ahah ahai ahas ahau ahfa ahha ahhs ahis ahsa ahss ahua ahus aiai aias aiba aica aicc aicf aich aics aiff aifs aiha aihs aiia aiib aiic aisa aisb aish aisi aiui asaa asab asac asaf asah asai asas asau asba asbu asc- asca ascb ascc asch asci asfa asfi asha ashi ashs ashu asia asic asif asii asis assa assc assh assi asss assu asub asui asus auaa auca auch auci aufc aufi aufs auis ausa aush ausu ba-i baaa baaf baah baas baba babb babi babs babu bac- baca bacc bach baci bacs bafc baff baha bahi bahs bahu baia baib baic bais basa basc basf bash basi bass basu bau- bauf bbas bbau bbbb bbbs bbch bbci bbfc bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bcfc bchs bcia bcis bcsa bcsc bcss bcuc bfas bfca bfcs bffs bfhs bfsi bhai bhca bhcc bhff bhhs bhsf bhuu biaf bias biba bibb bibi bibs bica bicc bich bici bics bifa biff bifi biha bihi bihs bihu biis bis- bisa bisc bish biss bisu bsaa bsac bsas bsci bscs bsfa bsfc bsff bsfs bshs bsic bssc buba bubb bubi bubs bubu buca bucc buch buci bucs bucu bufc buff buha buhi buhs buic buif buis buiu busa busc bush busi buss busu buus caaa caab caac caaf caah caas caba cabf cabi cabs cabu cac- caca cacc cach caci cafa cafb cafc caff cafs cafu caha cahs caia caib caic cais caiu casa casb casc cash casi cass casu cauc cauf caus cbac cbbc cbbs cbca cbcc cbcs cbcu cbfb cbfc cbha cbhs cbia cbsa cbsc cbsi cbus ccaa ccab ccac ccaf ccai ccas ccba ccbc ccca cccb cccc cccf ccci cccs cccu ccfa ccfc ccff ccfi ccha cchs ccic ccii ccis ccsa ccsf ccsi ccss ccuc ccus cfaa cfab cfac cfbc cfbs cfca cfcb cfcf cfcs cffb cfhs cfia cfsa cfsi chaa chab chac chaf chah chai chas chau chca chch chci chcs chfa chfc chfi chfs chha chhs chia chib chic chif chih chis chiu chsc chsh chsi chua chub chui