a-a a-b a-c a-t aaa aab aac aad aao aas aat aay ab- aba abb abc abd abo abs abt aby ac- aca acb acc acd aco acs act acy ad- ada adb adc add ado ads adt ady aoa aob aoc aod aoo aos aot as- asa asb asc asd aso ass ast asy at- ata atb atc atd ato ats att ay- aya ayc ayd ayo ays ayt baa bab bac bad bao bas bat bay bba bbb bbc bbd bbo bbs bbt bby bca bcb bcc bcd bco bcs bct bcy bda bdb bdc bdd bdo bds bdt bdy boa bob boc bod boo bos bot boy bsa bsb bsc bsd bso bss bst bsy bta btb btc btd bto bts btt bty by- bya byc byd byo bys byt c-- caa cab cac cad cao cas cat cay cba cbb cbc cbd cbo cbs cbt cby cca ccb ccc ccd cco ccs cct cda cdb cdc cdd cdo cds cdt cdy co- coa cob coc cod coo cos cot coy csa csb csc csd cso css cst csy cta ctb ctc ctd cto cts ctt cty cya cyb cyc cyd cyo cys cyt daa dab dac dad dao das dat day dba dbb dbc dbd dbo dbs dbt dby dca dcb dcc dcd dco dcs dct dda ddb ddc ddd ddo dds ddt ddy doa dob doc dod doo dos dot doy dsa dsb dsc dsd dso dss dst dsy dta dtb dtc dtd dto dts dtt dty dy- dya dyb dyc dyd dyo dys dyy oaa oab oac oad oao oas oat ob- oba obb obc obd obo obs obt oby oc- oca ocb occ ocd oco ocs oct oda odb odc odd odo ods odt oo- ooa oob ooc ood ooo oos oot os- osa osb osc osd oso oss ost ot- ota otb otc otd oto ots ott oya oyd oyo oys saa sab sac sad sao sas sat say sba sbb sbc sbd sbo sbs sbt sby sca scb scc scd sco scs sct sda sdb sdc sdd sdo sds sdt sdy soa sob soc sod soo sos sot soy ss- ssa ssb ssc ssd sso sss sst sta stb stc std sto sts stt sty sy- sya syb syc syd sys syt taa tab tac tad tao tas tat tay tba tbb tbc tbd tbo tbs tbt tca tcb tcc tcd tco tcs tct tda tdb tdc tdd tdo tds tdt tdy to- toa tob toc tod too tos tot toy tsa tsb tsc tsd tso tss tst tsy tta ttb ttc ttd tto tts ttt tty tya tyc tyd tyo tys tyt yaa yab yac yad yao yas yat yay ybc ybs yby yca ycc ycd yco ycs ycy yda ydo yds ydt ydy yob yoc yod yoo yos yot yoy ysa ysb ysc yso yss yst ysy yta ytc ytd yto yts ytt yyb yyc yys yyt yyy

a-do a-ya a-yo aaaa aaab aaac aaad aaas aaba aabb aabc aabd aabt aaby aaca aacb aacc aacd aaco aacs aact aacy aada aadc aads aadt aaoo aasa aasc aasd aass aast aata aatc aatt abaa abab abac abad abas abat abay abb- abba abbb abbo abbs abbt abby abca abcb abcc abcd abcs abct abda abdo abdy aboa abob abod aboo abos abot aboy abs- absa absd abss abta abts abyc abys abyt abyy ac-t acaa acab acac acad acas acat acba acca accc accd acco accs acct accy acda acdb acdc acds acdt acoa acod acos acot acoy acsa acsc acsd acss acst acta actc acto acts actt adaa adab adac adad adao adas adat aday adba adbc adcc adcs adda addc addd addo adds addy adob adoc adod adoo ados adot adsa adso adss adst adta adts adya adyt aoba aoca aocs aosd aoss aotc aotd asaa asab asac asad asao asas asat asay asba asbo asby asc- asca ascb ascc asco asct asda asdo asds asob asoc asod asos asot assa assc assd asso asss asst assy asta astb astc asto asts asty asya at-t ataa atab atac atad atas atat atay atbs atca atcc atco atcs atdt atob atoc atod atos atot atoy atsb atsc atst atta atto atts atty atya atys ay-o ayad ayao ayas ayat ayay ayca ayda ayds ayod ayoo ayos ayot ayta ayto ayya baaa baad baas baat baba babb babo babs baby bac- baca bacc baco bacs bact bada badb badd bado bads bady baos basa basc baso bass bast bata batc bato bats batt baty baya bayo bays bayt bbad bbas bbay bbbb bbbs bbdd bbdo bboy bbyo bcaa bcas bcat bcbc bcbs bcca bccc bccs bcda bcds bcos bcsa bcsc bcss bctc bcts bday bdbc bddc bdos bdsd boab boac boad boas boat boba bobb bobo bobs boby boca boco bocs boda bodb bodo bods body boob booc bood boos boot bosa bosc boso boss bost bota botb botd boto bots bott boty boya boyd boyo boys bsaa bsac bsas bsat bsbd bscs bsod bsos bssc bssd bsts btaa btcc btcs btdt btob btss bttb byas byoa byob byoc byod byos bysb byso byss byst bysy byts byyd c-bo c-cd caaa caab caac caas caat caba cabo cabs caby cac- caca cacc caco cada cadc cadd cado cads cady caod caos casa casb casc casd caso cass cast cat- cata catb catc catd cato cats catt caty cayo cays cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbdb cbdc cbdo cbds cbot cbsa cbsc cbta cbtc cbyt ccaa ccab ccac ccad ccas ccat ccba ccbc ccca cccb cccc cccs ccdc ccds ccob ccoc ccod ccsa ccsd ccss ccst cctb cctc cctt cdaa cdac cdad cday cdba cdcs cdda cddb cdos cdot cdss coad coas coat coba cobb cobo cobs coby coca coco coct coda codd cods cody coob cood coos coot cosa cosc coso coss cost cosy cota cotb cotc coto cots cott coty coya coyo coys coyt csaa csab csac csao csas csat cscb cscc cscd csco cscs