-ic a-a a-b a-c a-i aaa aab aac aad aai aar aas aau ab- aba abb abc abd abi abr abs abu ac- aca acb acc acd aci acr acs acu ad- ada adb adc add adi adr ads adu ai- aia aib aic aid aii air ais aiu ar- ara arb arc ard ari arr ars aru as- asa asb asc asd asi asr ass asu au- aua aub auc aud aui aur aus b-u baa bab bac bad bai bar bas bau bba bbb bbc bbd bbi bbr bbs bbu bca bcb bcc bcd bci bcr bcs bcu bda bdb bdc bdd bdi bdr bds bdu bi- bia bib bic bid bii bir bis biu bra brb brd bri brr brs bru bsa bsb bsc bsd bsi bsr bss bsu bua bub buc bud bui bur bus buu c-- caa cab cac cad cai car cas cau cba cbb cbc cbd cbi cbr cbs cbu cca ccb ccc ccd cci ccr ccs ccu cda cdb cdc cdd cdi cdr cds cdu ci- cia cib cic cid cii cir cis ciu cra crb crc crd cri crr crs cru csa csb csc csd csi csr css csu cua cub cuc cud cui cur cus cuu daa dab dac dad dai dar das dau dba dbb dbc dbd dbi dbr dbs dbu dca dcb dcc dcd dci dcr dcs dcu dda ddb ddc ddd ddi ddr dds ddu di- dia dib dic did dii dir dis diu dra drb drc drd dri drr drs dru dsa dsb dsc dsd dsi dsr dss dsu dua dub duc dud dui dur dus i-d ia- iaa iab iac iad iai iar ias iau iba ibb ibc ibd ibi ibr ibs ibu ica icb icc icd ici icr ics icu ida idb idc idd idi idr ids idu iia iib iic iid iii iir iis iiu ir- ira irb irc ird iri irr irs iru is- isa isb isc isd isi isr iss isu iu- iua iub iuc iud iui iur ius ra- raa rab rac rad rai rar ras rau rba rbb rbc rbd rbi rbr rbs rbu rca rcb rcc rcd rci rcr rcs rcu rda rdb rdc rdd rdi rdr rds rdu ria rib ric rid rii rir ris rra rrb rrc rrd rri rrr rrs rru rsa rsb rsc rsd rsi rsr rss rsu rua rub ruc rud rui rur rus ruu saa sab sac sad sai sar sas sau sba sbb sbc sbd sbi sbr sbs sbu sca scb scc scd sci scr scs scu sda sdb sdc sdd sdi sdr sds sdu sia sib sic sid sii sir sis siu sr- sra srb src srd sri srr srs ss- ssa ssb ssc ssd ssi ssr sss ssu sua sub suc sud sui sur sus suu ua- uaa uab uac uad uai uar uas uau uba ubb ubc ubi ubr ubs ubu uca ucb ucc ucd uci ucr ucs ucu uda udb udc udd udi udr uds udu uia uib uic uid uii uir uis uiu ur- ura urb urc urd uri urr urs uru usa usb usc usd usi usr uss usu uua uuc uur uus uuu

a-ii aaaa aaab aaac aaad aaai aaar aaas aaba aabb aabc aabd aabi aaca aacb aacc aacd aaci aacr aacs aacu aada aadc aadi aads aadu aaib aaic aaii aais aara aarc aard aari aars aaru aasa aasc aasd aasi aass aasu aaus abaa abab abac abad abai abar abas abau abb- abba abbb abbi abbr abbs abca abcb abcc abcd abci abcr abcs abda abdi abdu abia abib abic abid abir abis abiu abra abrc abri abrs abs- absa absd absi abss absu abua abud abus acaa acab acac acad acai acar acas acba acca accc accd acci accs accu acda acdb acdc acdi acds aci- acia acic acid acir acis acr- acra acrc acri acrr acrs acsa acsc acsd acsi acss acu- acur acus adaa adab adac adad adai adar adas adba adbc adbi adcc adci adcs adda addc addd addi addr adds addu adia adib adic adir adis adra adrs adsa adsi adsr adss adua adub adur aiai aias aiba aica aicc aicd aicr aics aida aidb aidc aidi aidr aids aidu aiia aiib aiic aiid aiir aira aird airi airs aisa aisb aisd aisi aisr aiud aiui arab arac arad arai arar aras arau arba arbi arbs arc- arca arci arcs arda ardc ardi ards ardu aria arib arid arii aris arr- arra arrc arri arrr arrs arru ars- arsa arsc arsd arsi arsu arua arub arud arui asaa asab asac asad asai asar asas asau asba asbu asc- asca ascb ascc asci ascr asda asds asia asic asii asir asis asra asrc asrs asru assa assc assd assi assr asss assu asub asud asui asur asus auaa auca auci audc audi auis aur- aura aurd auri ausa ausd ausu ba-i baaa baad baar baas baba babb babi babr babs babu bac- baca bacc baci bacs bada badb badd badi badr bads badu baia baib baic baid bair bais bar- bara barb barc bard bari barr bars baru basa basc basi bass basu bau- baud baur bbad bbas bbau bbbb bbbs bbci bbdd bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcda bcds bcia bcis bcra bcrs bcru bcsa bcsc bcss bcuc bd-r bdbc bddc bdii bdsd biad biar bias biba bibb bibi bibs bica bicc bici bics bida bidi bidr bids bidu biis bira birb bird biri birr birs biru bis- bisa bisc bisd biss bisu brab brac brad brai bras brau brca brcb brda brds bria bric brid bris brrr brrs brsb brsr bruc brud brus bsaa bsac bsas bsbd bsci bscs bsic bsra bsrd bssc bssd buad buar buba bubb bubi bubs bubu buca bucc buci bucs bucu buda budb budd budi buds budu buic buid buir buis buiu bur- bura burb burd buri burr burs buru busa busc busi buss busu buus c-cd caaa caab caac caas caba cabi cabs cabu