-ji a-a a-b a-i a-t aaa aab aai aaj aao aas aat ab- aba abb abi abj abo abs abt ai- aia aib aii aio ais ait aja ajb aji ajj ajo ajs ajt aoa aob aoi aoj aoo aos aot as- asa asb asi asj aso ass ast at- ata atb ati ato ats att baa bab bai baj bao bas bat bba bbb bbi bbo bbs bbt bi- bia bib bii bij bio bis bit bja bji bjj bjs bjt boa bob boi boj boo bos bot bsa bsb bsi bsj bso bss bst bta btb bti bto bts btt ia- iaa iab iai iao ias iat iba ibb ibi ibj ibo ibs ibt iia iib iii iij iio iis iit ija ijb iji ijo ijs ijt io- ioa iob ioi ioj ioo ios iot is- isa isb isi isj iso iss ist ita itb iti itj ito its itt j-i jaa jab jai jaj jao jas jat jba jbi jbj jbo jbs jbt jia jib jii jij jio jis jit jja jjb jjj jjs joa job joi joj joo jos jot jsa jsb jsi jsj jso jss jst jta jtb jti jts jtt o-i oaa oab oai oaj oao oas oat ob- oba obb obi obj obo obs obt oia oib oii oio ois oit oja ojb oji ojo ojs oo- ooa oob ooi ooo oos oot os- osa osb osi osj oso oss ost ot- ota otb oti oto ots ott saa sab sai saj sao sas sat sba sbb sbi sbj sbo sbs sbt sia sib sii sij sio sis sit sja sjb sji sjj sjs sjt soa sob soi soj soo sos sot ss- ssa ssb ssi ssj sso sss sst sta stb sti stj sto sts stt taa tab tai taj tao tas tat tba tbb tbi tbj tbo tbs tbt tia tib tii tio tis tit tji tjo tjs to- toa tob toi toj too tos tot tsa tsb tsi tsj tso tss tst tta ttb tti tto tts ttt