a-a a-b a-t aaa aab aaj aan aao aas aat ab- aba abb abj abn abo abs abt aja ajb ajj ajn ajo ajs ajt an- ana anb anj ann ano ans ant aoa aob aoj aon aoo aos aot as- asa asb asj asn aso ass ast at- ata atb atn ato ats att baa bab baj ban bao bas bat bba bbb bbn bbo bbs bbt bja bjj bjn bjs bjt bna bnb bnj bnn bno bns bnt boa bob boj bon boo bos bot bsa bsb bsj bsn bso bss bst bta btb btn bto bts btt jaa jab jaj jan jao jas jat jba jbj jbo jbs jbt jja jjb jjj jjs jna jnj jnn jno jns jnt joa job joj jon joo jos jot jsa jsb jsj jsn jso jss jst jta jtb jtn jts jtt naa nab naj nan nao nas nat nba nbb nbn nbo nbs nbt nja njn njs nna nnb nnn nno nns nnt no- noa nob noj non noo nos not nsa nsb nsn nso nss nst nta ntb ntn nto nts ntt oaa oab oaj oan oao oas oat ob- oba obb obj obn obo obs obt oja ojb ojo ojs on- ona onb onj onn ono ons ont oo- ooa oob oon ooo oos oot os- osa osb osj osn oso oss ost ot- ota otb otn oto ots ott saa sab saj san sao sas sat sba sbb sbj sbn sbo sbs sbt sja sjb sjj sjs sjt sna snb snj snn sno sns snt soa sob soj son soo sos sot ss- ssa ssb ssj ssn sso sss sst sta stb stj stn sto sts stt taa tab taj tan tao tas tat tba tbb tbj tbn tbo tbs tbt tjo tjs tna tnb tnn tno tns tnt to- toa tob toj ton too tos tot tsa tsb tsj tsn tso tss tst tta ttb ttn tto tts ttt