-ic a-a a-b a-c a-i a-t aaa aab aac aad aai aas aat aau ab- aba abb abc abd abi abs abt abu ac- aca acb acc acd aci acs act acu ad- ada adb adc add adi ads adt adu ai- aia aib aic aid aii ais ait aiu as- asa asb asc asd asi ass ast asu at- ata atb atc atd ati ats att atu au- aua aub auc aud aui aus aut b-u baa bab bac bad bai bas bat bau bba bbb bbc bbd bbi bbs bbt bbu bca bcb bcc bcd bci bcs bct bcu bda bdb bdc bdd bdi bds bdt bdu bi- bia bib bic bid bii bis bit biu bsa bsb bsc bsd bsi bss bst bsu bta btb btc btd bti bts btt btu bua bub buc bud bui bus but buu c-- caa cab cac cad cai cas cat cau cba cbb cbc cbd cbi cbs cbt cbu cca ccb ccc ccd cci ccs cct ccu cda cdb cdc cdd cdi cds cdt cdu ci- cia cib cic cid cii cis cit ciu csa csb csc csd csi css cst csu cta ctb ctc ctd cti cts ctt ctu cua cub cuc cud cui cus cut cuu daa dab dac dad dai das dat dau dba dbb dbc dbd dbi dbs dbt dbu dca dcb dcc dcd dci dcs dct dcu dda ddb ddc ddd ddi dds ddt ddu di- dia dib dic did dii dis dit diu dsa dsb dsc dsd dsi dss dst dsu dta dtb dtc dtd dti dts dtt dtu dua dub duc dud dui dus dut i-d ia- iaa iab iac iad iai ias iat iau iba ibb ibc ibd ibi ibs ibt ibu ica icb icc icd ici ics ict icu ida idb idc idd idi ids idt idu iia iib iic iid iii iis iit iiu is- isa isb isc isd isi iss ist isu ita itb itc itd iti its itt itu iu- iua iub iuc iud iui ius iut saa sab sac sad sai sas sat sau sba sbb sbc sbd sbi sbs sbt sbu sca scb scc scd sci scs sct scu sda sdb sdc sdd sdi sds sdt sdu sia sib sic sid sii sis sit siu ss- ssa ssb ssc ssd ssi sss sst ssu sta stb stc std sti sts stt stu sua sub suc sud sui sus sut suu taa tab tac tad tai tas tat tau tba tbb tbc tbd tbi tbs tbt tbu tca tcb tcc tcd tci tcs tct tcu tda tdb tdc tdd tdi tds tdt tdu tia tib tic tid tii tis tit tiu tsa tsb tsc tsd tsi tss tst tsu tta ttb ttc ttd tti tts ttt ttu tua tub tuc tud tui tus tut tuu ua- uaa uab uac uad uai uas uat uau uba ubb ubc ubi ubs ubt ubu uca ucb ucc ucd uci ucs uct ucu uda udb udc udd udi uds udt udu uia uib uic uid uii uis uit uiu usa usb usc usd usi uss ust usu uta utb utc utd uti uts utt utu uua uuc uus uut uuu

a-ii aaaa aaab aaac aaad aaai aaas aaba aabb aabc aabd aabi aabt aaca aacb aacc aacd aaci aacs aact aacu aada aadc aadi aads aadt aadu aaib aaic aaii aais aasa aasc aasd aasi aass aast aasu aata aatc aatt aaus abaa abab abac abad abai abas abat abau abb- abba abbb abbi abbs abbt abca abcb abcc abcd abci abcs abct abda abdi abdu abia abib abic abid abis abit abiu abs- absa absd absi abss absu abta abts abtu abua abud abus abut ac-t acaa acab acac acad acai acas acat acba acca accc accd acci accs acct accu acda acdb acdc acdi acds acdt aci- acia acic acid acis acsa acsc acsd acsi acss acst acta actc acti acts actt actu acu- acus acut adaa adab adac adad adai adas adat adba adbc adbi adcc adci adcs adda addc addd addi adds addu adia adib adic adis adit adsa adsi adss adst adta adts adua adub aiai aias aiba aica aicc aicd aics aida aidb aidc aidi aids aidt aidu aiia aiib aiic aiid aisa aisb aisd aisi aist aita aiti aits aitt aitu aiud aiui asaa asab asac asad asai asas asat asau asba asbu asc- asca ascb ascc asci asct asda asds asia asic asii asis asit assa assc assd assi asss asst assu asta astb astc asti asts asub asud asui asus at-t ataa atab atac atad atai atas atat atbs atca atcc atcs atdi atdt atia atic atid atis atit atiu atsb atsc atsi atst atta atti atts attu atua atub atuc atus auaa auca auci auct audc audi auis ausa ausd aust ausu aut- auts ba-i baaa baad baas baat baba babb babi babs babu bac- baca bacc baci bacs bact bada badb badd badi bads badu baia baib baic baid bais bait basa basc basi bass bast basu bata batc bati bats batt batu bau- baud bbad bbas bbau bbbb bbbs bbci bbdd bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcda bcds bcia bcis bcit bcsa bcsc bcss bctc bcts bcuc bdbc bddc bdii bdsd biad bias biat biba bibb bibi bibs bica bicc bici bics bida bidi bids bidu biis bis- bisa bisc bisd biss bist bisu bita bitc bitd bits bitt bitu bsaa bsac bsas bsat bsbd bsci bscs bsic bssc bssd bsts btaa btcc btcs btdt btss bttb btus buad buat buba bubb bubi bubs bubu buca bucc buci bucs bucu buda budb budd budi buds budu buic buid buis buit buiu busa busc busi buss bust busu but- buta buti buts butt buus c-cd caaa caab caac caas caat caba cabi cabs cabu cac- caca cacc caci cada cadc cadd cadi cads cadu caia caib caic caid cais cait caiu casa casb casc casd casi cass cast casu cat- cata catb catc catd cati cats