-ic a-a a-b a-c a-i aaa aab aac aad aai aar aas aau aay ab- aba abb abc abd abi abr abs abu aby ac- aca acb acc acd aci acr acs acu acy ad- ada adb adc add adi adr ads adu ady ai- aia aib aic aid aii air ais aiu aiy ar- ara arb arc ard ari arr ars aru ary as- asa asb asc asd asi asr ass asu asy au- aua aub auc aud aui aur aus ay- aya ayc ayd ayi ayr ays ayu b-u baa bab bac bad bai bar bas bau bay bba bbb bbc bbd bbi bbr bbs bbu bby bca bcb bcc bcd bci bcr bcs bcu bcy bda bdb bdc bdd bdi bdr bds bdu bdy bi- bia bib bic bid bii bir bis biu biy bra brb brd bri brr brs bru bry bsa bsb bsc bsd bsi bsr bss bsu bsy bua bub buc bud bui bur bus buu buy by- bya byc byd byi byr bys byu c-- caa cab cac cad cai car cas cau cay cba cbb cbc cbd cbi cbr cbs cbu cby cca ccb ccc ccd cci ccr ccs ccu cda cdb cdc cdd cdi cdr cds cdu cdy ci- cia cib cic cid cii cir cis ciu cra crb crc crd cri crr crs cru cry csa csb csc csd csi csr css csu csy cua cub cuc cud cui cur cus cuu cuy cya cyb cyc cyd cyr cys daa dab dac dad dai dar das dau day dba dbb dbc dbd dbi dbr dbs dbu dby dca dcb dcc dcd dci dcr dcs dcu dda ddb ddc ddd ddi ddr dds ddu ddy di- dia dib dic did dii dir dis diu diy dra drb drc drd dri drr drs dru dry dsa dsb dsc dsd dsi dsr dss dsu dsy dua dub duc dud dui dur dus duy dy- dya dyb dyc dyd dyr dys dyu dyy i-d ia- iaa iab iac iad iai iar ias iau iba ibb ibc ibd ibi ibr ibs ibu iby ica icb icc icd ici icr ics icu icy ida idb idc idd idi idr ids idu idy iia iib iic iid iii iir iis iiu ir- ira irb irc ird iri irr irs iru iry is- isa isb isc isd isi isr iss isu isy iu- iua iub iuc iud iui iur ius iya iyc iyr iys iyy ra- raa rab rac rad rai rar ras rau ray rba rbb rbc rbd rbi rbr rbs rbu rca rcb rcc rcd rci rcr rcs rcu rda rdb rdc rdd rdi rdr rds rdu rdy ria rib ric rid rii rir ris riy rra rrb rrc rrd rri rrr rrs rru rsa rsb rsc rsd rsi rsr rss rsu rua rub ruc rud rui rur rus ruu ruy ry- rya ryc ryd ryr rys ryu ryy saa sab sac sad sai sar sas sau say sba sbb sbc sbd sbi sbr sbs sbu sby sca scb scc scd sci scr scs scu sda sdb sdc sdd sdi sdr sds sdu sdy sia sib sic sid sii sir sis siu sr- sra srb src srd sri srr srs sry ss- ssa ssb ssc ssd ssi ssr sss ssu sua sub suc sud sui sur sus suu suy sy- sya syb syc syd syi syr sys syu ua- uaa uab uac uad uai uar uas uau uay uba ubb ubc ubi ubr ubs ubu uby 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 ury usa usb usc usd usi usr uss usu uua uuc uur uus uuu uyc uyi uys uyu yaa yab yac yad yai yar yas yau yay ybc ybi ybr ybs yby yca ycc ycd yci ycs ycu ycy yda yds ydy yid yii yir yis yra yrc yrs yru ysa ysb ysc ysi ysr yss ysu ysy yua yud yui yur yus yuu yuy yyb yyc yys yyu yyy

a-ii a-ya aaaa aaab aaac aaad aaai aaar aaas aaba aabb aabc aabd aabi aaby aaca aacb aacc aacd aaci aacr aacs aacu aacy 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 abay abb- abba abbb abbi abbr abbs abby abca abcb abcc abcd abci abcr abcs abda abdi abdu abdy abia abib abic abid abir abis abiu abiy abra abrc abri abrs abry abs- absa absd absi abss absu abua abud abus abuy abyc abys abyy acaa acab acac acad acai acar acas acba acca accc accd acci accs accu accy acda acdb acdc acdi acds aci- acia acic acid acir acis acr- acra acrc acri acrr acrs acry acsa acsc acsd acsi acss acu- acur acus adaa adab adac adad adai adar adas aday adba adbc adbi adcc adci adcs adda addc addd addi addr adds addu addy adia adib adic adir adis adra adrs adry adsa adsi adsr adss adua adub adur adya aiai aias aiba aica aicc aicd aicr aics aida aidb aidc aidi aidr aids aidu aidy aiia aiib aiic aiid aiir aira aird airi airs airy aisa aisb aisd aisi aisr aisy aiud aiui arab arac arad arai arar aras arau aray arba arbi arbs arby arc- arca arci arcs arda ardc ardi ards ardu aria arib arid arii aris arr- arra arrc arri arrr arrs arru arry ars- arsa arsc arsd arsi arsu arsy arua arub arud arui ary- arya arys asaa asab asac asad asai asar asas asau asay asba asbu asby asc- asca ascb ascc asci ascr asda asds asia asic asii asir asis asra asrc asrs asru assa assc assd assi assr asss assu assy asub asud asui asur asus asya auaa auby auca auci audc audi auis aur- aura aurd auri ausa ausd ausu