a-a a-b a-c a-t aaa aab aac aad aae aaj aao aas aat ab- aba abb abc abd abe abj abo abs abt ac- aca acb acc acd ace acj aco acs act ad- ada adb adc add ade adj ado ads adt aea aeb aec aed aee aej aeo aes aet aja ajb ajc ajd aje ajj ajo ajs ajt aoa aob aoc aod aoe aoj aoo aos aot as- asa asb asc asd ase asj aso ass ast at- ata atb atc atd ate ato ats att baa bab bac bad bae baj bao bas bat bba bbb bbc bbd bbe bbo bbs bbt bca bcb bcc bcd bce bcj bco bcs bct bda bdb bdc bdd bde bdj bdo bds bdt be- bea beb bec bed bee beo bes bet bja bjc bjd bjj bjs bjt boa bob boc bod boe boj boo bos bot bsa bsb bsc bsd bse bsj bso bss bst bta btb btc btd bte bto bts btt c-- c-j caa cab cac cad cae caj cao cas cat cba cbb cbc cbd cbe cbj cbo cbs cbt cca ccb ccc ccd cce ccj cco ccs cct cda cdb cdc cdd cde cdj cdo cds cdt ce- cea ceb cec ced cee cej ceo ces cet cja cjb cjc cjd cjs co- coa cob coc cod coe coj coo cos cot csa csb csc csd cse csj cso css cst cta ctb ctc ctd cte cto cts ctt daa dab dac dad dae daj dao das dat dba dbb dbc dbd dbe dbo dbs dbt dca dcb dcc dcd dce dco dcs dct dda ddb ddc ddd dde ddo dds ddt de- dea deb dec ded dee dej deo des det dj- dja djb djc djd dje djo djs djt doa dob doc dod doe doj doo dos dot dsa dsb dsc dsd dse dsj dso dss dst dta dtb dtc dtd dte dtj dto dts dtt eaa eab eac ead eae eaj eao eas eat eba ebb ebc ebd ebe ebj ebo ebs ebt ec- eca ecb ecc ecd ece ecj eco ecs ect ed- eda edb edc edd ede edj edo eds edt eea eeb eec eed eee eeo ees eet eja ejc ejd ejo ejt eo- eoa eob eoc eod eoe eoo eos eot es- esa esb esc esd ese eso ess est eta etb etc etd ete etj eto ets ett j-d jaa jab jac jad jae jaj jao jas jat jba jbc jbj jbo jbs jbt jca jcb jcc jcd jce jco jcs jct jda jdb jdc jde jdo jds jdt jea jeb jec jed jee jej jeo jes jet jja jjb jjc jjj jjs joa job joc jod joe joj joo jos jot jsa jsb jsc jsd jse jsj jso jss jst jta jtb jtc jte jts jtt oaa oab oac oad oae oaj oao oas oat ob- oba obb obc obd obe obj obo obs obt oc- oca ocb occ ocd ocj oco ocs oct oda odb odc odd ode odo ods odt oea oeb oec oed oee oeo oes oet oja ojb ojc ojd oje ojo ojs oo- ooa oob ooc ood ooo oos oot os- osa osb osc osd ose osj oso oss ost ot- ota otb otc otd ote oto ots ott saa sab sac sad sae saj sao sas sat sba sbb sbc sbd sbe sbj sbo sbs sbt sca scb scc scd sce scj sco scs sct sda sdb sdc sdd sde sdj sdo sds sdt se- sea seb sec sed see sej seo ses set sja sjb sjc sjd sje sjj sjs sjt soa sob soc sod soe soj soo sos sot ss- ssa ssb ssc ssd sse ssj sso sss sst sta stb stc std ste stj sto sts stt taa tab tac tad tae taj tao tas tat tba tbb tbc tbd tbe tbj tbo tbs tbt tca tcb tcc tcd tce tcj tco tcs tct tda tdb tdc tdd tde tdo tds tdt te- tea teb tec ted tee tej teo tes tet tjc tjd tje tjo tjs to- toa tob toc tod toe toj too tos tot tsa tsb tsc tsd tse tsj tso tss tst tta ttb ttc ttd tte tto tts ttt