-ic -ji a-a a-b a-c a-i a-t aaa aab aac aai aaj aao aar aat ab- aba abb abc abi abj abo abr abt ac- aca acb acc aci acj aco acr act ai- aia aib aic aii aio air ait aja ajb ajc aji ajj ajo ajr ajt aoa aob aoc aoi aoj aoo aor aot ar- ara arb arc ari arj aro arr art at- ata atb atc ati ato atr att baa bab bac bai baj bao bar bat bba bbb bbc bbi bbo bbr bbt bca bcb bcc bci bcj bco bcr bct bi- bia bib bic bii bij bio bir bit bja bjc bji bjj bjr bjt boa bob boc boi boj boo bor bot bra brb bri brj bro brr brt bta btb btc bti bto btr btt c-- c-j caa cab cac cai caj cao car cat cba cbb cbc cbi cbj cbo cbr cbt cca ccb ccc cci ccj cco ccr cct ci- cia cib cic cii cij cio cir cit cja cjb cjc cjr co- coa cob coc coi coj coo cor cot cra crb crc cri crj cro crr crt cta ctb ctc cti cto ctr ctt ia- iaa iab iac iai iao iar iat iba ibb ibc ibi ibj ibo ibr ibt ica icb icc ici icj ico icr ict iia iib iic iii iij iio iir iit ija ijb ijc iji ijo ijt io- ioa iob ioc ioi ioj ioo ior iot ir- ira irb irc iri irj iro irr irt ita itb itc iti itj ito itt j-i jaa jab jac jai jaj jao jar jat jba jbc jbi jbj jbo jbr jbt jca jcb jcc jci jco jcr jct jia jib jic jii jij jio jir jit jja jjb jjc jjj jjr joa job joc joi joj joo jor jot jra jrb jrc jri jro jrr jrt jta jtb jtc jti jtr jtt o-i oaa oab oac oai oaj oao oar oat ob- oba obb obc obi obj obo obr obt oc- oca ocb occ oci ocj oco ocr oct oia oib oic oii oio oir oit oja ojb ojc oji ojo oo- ooa oob ooc ooi ooo oor oot or- ora orb orc ori oro orr ort ot- ota otb otc oti oto otr ott ra- raa rab rac rai raj rao rar rat rba rbb rbc rbi rbo rbr rbt rca rcb rcc rci rcj rco rcr rct ria rib ric rii rio rir rit rja rjc rjr roa rob roc roi roj roo ror rot rra rrb rrc rri rrr rrt rta rtb rtc rti rtj rto rtr rtt taa tab tac tai taj tao tar tat tba tbb tbc tbi tbj tbo tbr tbt tca tcb tcc tci tcj tco tcr tct tia tib tic tii tio tir tit tjc tji tjo tjr to- toa tob toc toi toj too tor tot tra trb trc tri tro trr trt tta ttb ttc tti tto ttr ttt