a-a a-b a-c a-t aaa aab aac aad aae aaf aaj aao aas aat aau ab- aba abb abc abd abe abf abj abo abs abt abu ac- aca acb acc acd ace acf acj aco acs act acu ad- ada adb adc add ade adf adj ado ads adt adu aea aeb aec aed aee aef aej aeo aes aet aeu af- afa afb afc afd afe aff afj afo afs aft afu aja ajb ajc ajd aje ajf ajj ajo ajs ajt aju aoa aob aoc aod aoe aof aoj aoo aos aot aou as- asa asb asc asd ase asf asj aso ass ast asu at- ata atb atc atd ate atf ato ats att atu au- aua aub auc aud aue auf auj auo aus aut b-u baa bab bac bad bae baf baj bao bas bat bau bba bbb bbc bbd bbe bbf bbo bbs bbt bbu bca bcb bcc bcd bce bcf bcj bco bcs bct bcu bda bdb bdc bdd bde bdf bdj bdo bds bdt bdu be- bea beb bec bed bee bef beo bes bet beu bfa bfb bfc bfd bfe bff bfj bfo bfs bft bfu bja bjc bjd bjf bjj bjs bjt bju boa bob boc bod boe bof boj boo bos bot bou bsa bsb bsc bsd bse bsf bsj bso bss bst bsu bta btb btc btd bte btf bto bts btt btu bua bub buc bud bue buf buj buo bus but buu c-- c-j caa cab cac cad cae caf caj cao cas cat cau cba cbb cbc cbd cbe cbf cbj cbo cbs cbt cbu cca ccb ccc ccd cce ccf ccj cco ccs cct ccu cda cdb cdc cdd cde cdf cdj cdo cds cdt cdu ce- cea ceb cec ced cee cef cej ceo ces cet ceu cfa cfb cfc cfd cfe cff cfo cfs cft cfu cja cjb cjc cjd cjf cjs co- coa cob coc cod coe cof coj coo cos cot cou csa csb csc csd cse csf csj cso css cst csu cta ctb ctc ctd cte ctf cto cts ctt ctu cua cub cuc cud cue cuf cuo cus cut cuu daa dab dac dad dae daf daj dao das dat dau dba dbb dbc dbd dbe dbf dbo dbs dbt dbu dca dcb dcc dcd dce dcf dco dcs dct dcu dda ddb ddc ddd dde ddf ddo dds ddt ddu de- dea deb dec ded dee def dej deo des det deu dfa dfb dfc dfd dfe dff dfj dfo dfs dft dfu dj- dja djb djc djd dje djf djo djs djt doa dob doc dod doe dof doj doo dos dot dou dsa dsb dsc dsd dse dsf dsj dso dss dst dsu dta dtb dtc dtd dte dtf dtj dto dts dtt dtu dua dub duc dud due duf duo dus dut eaa eab eac ead eae eaf eaj eao eas eat eau eba ebb ebc ebd ebe ebf ebj ebo ebs ebt ebu ec- eca ecb ecc ecd ece ecf ecj eco ecs ect ecu ed- eda edb edc edd ede edf edj edo eds edt edu eea eeb eec eed eee eef eeo ees eet ef- efa efb efc efd efe eff efo efs eft eja ejc ejd ejf ejo ejt eju eo- eoa eob eoc eod eoe eof eoo eos eot eou es- esa esb esc esd ese esf eso ess est esu eta etb etc etd ete etf etj eto ets ett etu eu- eua eub euc eud eue euf euj eus eut faa fab fac fad fae faf faj fao fas fat fau fba fbb fbc fbd fbe fbf fbo fbs fbt fbu fca fcb fcc fcd fce fcf fcj fco fcs fct fcu fda fdb fdc fdd fde fdf fdj fdo fds fdt fdu fea feb fec fed fee fef feo fes fet feu ffa ffc ffd ffe fff ffo ffs fft ffu fja fjb fjc fjd fjs foa fob foc foe fof foo fos fot fou fsa fsb fsc fsd fse fsf fsj fso fss fst fsu fta ftb ftc ftd fte ftf fto fts ftt ftu fua fub fud fue fuf fuo fus fut fuu j-d jaa jab jac jad jae jaf jaj jao jas jat jau jba jbc jbf jbj jbo jbs jbt jbu jca jcb jcc jcd jce jcf jco jcs jct jcu jda jdb jdc jde jdf jdo jds jdt jea jeb jec jed jee jef jej jeo jes jet jeu jfa jfb jfc jfd jfe jff jfj jfo jfs jft jja jjb jjc jjf jjj jjs jju joa job joc jod joe jof joj joo jos jot jou jsa jsb jsc jsd jse jsf jsj jso jss jst jsu jta jtb jtc jte jtf jts jtt jtu jub jud jue juf juo jus jut oaa oab oac oad oae oaf oaj oao oas oat oau ob- oba obb obc obd obe obf obj obo obs obt obu oc- oca ocb occ ocd ocf ocj oco ocs oct ocu oda odb odc odd ode odf odo ods odt odu oea oeb oec oed oee oef oeo oes oet of- ofa ofb ofc ofd ofe off ofo ofs oft ofu oja ojb ojc ojd oje ojo ojs oju oo- ooa oob ooc ood oof ooo oos oot os- osa osb osc osd ose osf osj oso oss ost osu ot- ota otb otc otd ote otf oto ots ott otu ou- oua ouc oud oue ouf ouo ous out saa sab sac sad sae saf saj sao sas sat sau sba sbb sbc sbd sbe sbf sbj sbo sbs sbt sbu sca scb scc scd sce scf scj sco scs sct scu sda sdb sdc sdd sde sdf sdj sdo sds sdt sdu se- sea seb sec sed see sef sej seo ses set seu sfa sfb sfc sfd sfe sff sfj sfo sfs sft sfu sja sjb sjc sjd sje sjf sjj sjs sjt sju soa sob soc sod soe sof