a-a a-b a-c a-t aaa aab aac aad aae aaj aan aas aat ab- aba abb abc abd abe abj abn abs abt ac- aca acb acc acd ace acj acn acs act ad- ada adb adc add ade adj adn ads adt aea aeb aec aed aee aej aen aes aet aja ajb ajc ajd aje ajj ajn ajs ajt an- ana anb anc and ane anj ann ans ant as- asa asb asc asd ase asj asn ass ast at- ata atb atc atd ate atn ats att baa bab bac bad bae baj ban bas bat bba bbb bbc bbd bbe bbn bbs bbt bca bcb bcc bcd bce bcj bcn bcs bct bda bdb bdc bdd bde bdj bds bdt be- bea beb bec bed bee ben bes bet bja bjc bjd bjj bjn bjs bjt bna bnb bnc bnd bne bnj bnn bns bnt bsa bsb bsc bsd bse bsj bsn bss bst bta btb btc btd bte btn bts btt c-- c-j caa cab cac cad cae caj can cas cat cba cbb cbc cbd cbe cbj cbn cbs cbt cca ccb ccc ccd cce ccj ccn ccs cct cda cdb cdc cdd cde cdj cdn cds cdt ce- cea ceb cec ced cee cej cen ces cet cja cjb cjc cjd cjs cn- cna cnb cnc cnd cne cnj cnn cns cnt csa csb csc csd cse csj csn css cst cta ctb ctc ctd cte ctn cts ctt daa dab dac dad dae daj dan das dat dba dbb dbc dbd dbe dbn dbs dbt dca dcb dcc dcd dce dcn dcs dct dda ddb ddc ddd dde ddn dds ddt de- dea deb dec ded dee dej den des det dj- dja djb djc djd dje djs djt dna dnb dnc dnd dne dnj dnn dns dnt dsa dsb dsc dsd dse dsj dsn dss dst dta dtb dtc dtd dte dtj dtn dts dtt eaa eab eac ead eae eaj ean eas eat eba ebb ebc ebd ebe ebj ebn ebs ebt ec- eca ecb ecc ecd ece ecj ecn ecs ect ed- eda edb edc edd ede edj edn eds edt eea eeb eec eed eee een ees eet eja ejc ejd ejt en- ena enb enc end ene enn ens ent es- esa esb esc esd ese esn ess est eta etb etc etd ete etj etn ets ett j-d jaa jab jac jad jae jaj jan jas jat jba jbc jbj jbs jbt jca jcb jcc jcd jce jcs jct jda jdb jdc jde jdn jds jdt jea jeb jec jed jee jej jen jes jet jja jjb jjc jjj jjs jna jnc jnd jne jnj jnn jns jnt jsa jsb jsc jsd jse jsj jsn jss jst jta jtb jtc jte jtn jts jtt naa nab nac nad nae naj nan nas nat nba nbb nbc nbd nbe nbn nbs nbt nca ncb ncc ncd nce ncn ncs nct nda ndb ndc ndd nde ndn nds ndt ne- nea neb nec ned nee nej nen nes net nja njc nje njn njs nna nnb nnc nne nnn nns nnt nsa nsb nsc nsd nse nsn nss nst nta ntb ntc ntd nte ntn nts ntt saa sab sac sad sae saj san sas sat sba sbb sbc sbd sbe sbj sbn sbs sbt sca scb scc scd sce scj scn scs sct sda sdb sdc sdd sde sdj sdn sds sdt se- sea seb sec sed see sej sen ses set sja sjb sjc sjd sje sjj sjs sjt sna snb snc snd sne snj snn sns snt ss- ssa ssb ssc ssd sse ssj ssn sss sst sta stb stc std ste stj stn sts stt taa tab tac tad tae taj tan tas tat tba tbb tbc tbd tbe tbj tbn tbs tbt tca tcb tcc tcd tce tcj tcn tcs tct tda tdb tdc tdd tde tdn tds tdt te- tea teb tec ted tee tej ten tes tet tjc tjd tje tjs tna tnb tnc tnd tne tnn tns tnt tsa tsb tsc tsd tse tsj tsn tss tst tta ttb ttc ttd tte ttn tts ttt