-ji a-a a-b a-i a-t aaa aab aai aaj aao aar aas aat ab- aba abb abi abj abo abr abs abt ai- aia aib aii aio air ais ait aja ajb aji ajj ajo ajr ajs ajt aoa aob aoi aoj aoo aor aos aot ar- ara arb ari arj aro arr ars art as- asa asb asi asj aso asr ass ast at- ata atb ati ato atr ats att baa bab bai baj bao bar bas bat bba bbb bbi bbo bbr bbs bbt bi- bia bib bii bij bio bir bis bit bja bji bjj bjr bjs bjt boa bob boi boj boo bor bos bot bra brb bri brj bro brr brs brt bsa bsb bsi bsj bso bsr bss bst bta btb bti bto btr bts btt ia- iaa iab iai iao iar ias iat iba ibb ibi ibj ibo ibr ibs ibt iia iib iii iij iio iir iis iit ija ijb iji ijo ijs ijt io- ioa iob ioi ioj ioo ior ios iot ir- ira irb iri irj iro irr irs irt is- isa isb isi isj iso isr iss ist ita itb iti itj ito its itt j-i jaa jab jai jaj jao jar jas jat jba jbi jbj jbo jbr jbs jbt jia jib jii jij jio jir jis jit jja jjb jjj jjr jjs joa job joi joj joo jor jos jot jra jrb jri jro jrr jrs jrt jsa jsb jsi jsj jso jsr jss jst jta jtb jti jtr jts jtt o-i oaa oab oai oaj oao oar oas oat ob- oba obb obi obj obo obr obs obt oia oib oii oio oir ois oit oja ojb oji ojo ojs oo- ooa oob ooi ooo oor oos oot or- ora orb ori oro orr ors ort os- osa osb osi osj oso osr oss ost ot- ota otb oti oto otr ots ott ra- raa rab rai raj rao rar ras rat rba rbb rbi rbo rbr rbs rbt ria rib rii rio rir ris rit rja rjr roa rob roi roj roo ror ros rot rra rrb rri rrr rrs rrt rsa rsb rsi rsj rso rsr rss rst rta rtb rti rtj rto rtr rts rtt saa sab sai saj sao sar sas sat sba sbb sbi sbj sbo sbr sbs sbt sia sib sii sij sio sir sis sit sja sjb sji sjj sjr sjs sjt soa sob soi soj soo sor sos sot sr- sra srb sri srj sro srr srs srt ss- ssa ssb ssi ssj sso ssr sss sst sta stb sti stj sto str sts stt taa tab tai taj tao tar tas tat tba tbb tbi tbj tbo tbr tbs tbt tia tib tii tio tir tis tit tji tjo tjr tjs to- toa tob toi toj too tor tos tot tra trb tri tro trr trs trt tsa tsb tsi tsj tso tsr tss tst tta ttb tti tto ttr tts ttt