-ic -ji a-a a-b a-c a-i a-t aaa aab aac aai aaj aao aat ab- aba abb abc abi abj abo abt ac- aca acb acc aci acj aco act ai- aia aib aic aii aio ait aja ajb ajc aji ajj ajo ajt aoa aob aoc aoi aoj aoo aot at- ata atb atc ati ato att baa bab bac bai baj bao bat bba bbb bbc bbi bbo bbt bca bcb bcc bci bcj bco bct bi- bia bib bic bii bij bio bit bja bjc bji bjj bjt boa bob boc boi boj boo bot bta btb btc bti bto btt c-- c-j caa cab cac cai caj cao cat cba cbb cbc cbi cbj cbo cbt cca ccb ccc cci ccj cco cct ci- cia cib cic cii cij cio cit cja cjb cjc co- coa cob coc coi coj coo cot cta ctb ctc cti cto ctt ia- iaa iab iac iai iao iat iba ibb ibc ibi ibj ibo ibt ica icb icc ici icj ico ict iia iib iic iii iij iio iit ija ijb ijc iji ijo ijt io- ioa iob ioc ioi ioj ioo iot ita itb itc iti itj ito itt j-i jaa jab jac jai jaj jao jat jba jbc jbi jbj jbo jbt jca jcb jcc jci jco jct jia jib jic jii jij jio jit jja jjb jjc jjj joa job joc joi joj joo jot jta jtb jtc jti jtt o-i oaa oab oac oai oaj oao oat ob- oba obb obc obi obj obo obt oc- oca ocb occ oci ocj oco oct oia oib oic oii oio oit oja ojb ojc oji ojo oo- ooa oob ooc ooi ooo oot ot- ota otb otc oti oto ott taa tab tac tai taj tao tat tba tbb tbc tbi tbj tbo tbt tca tcb tcc tci tcj tco tct tia tib tic tii tio tit tjc tji tjo to- toa tob toc toi toj too tot tta ttb ttc tti tto ttt