-ic -ji a-a a-b a-c a-i aaa aab aac aai aaj aao aar aas ab- aba abb abc abi abj abo abr abs ac- aca acb acc aci acj aco acr acs ai- aia aib aic aii aio air ais aja ajb ajc aji ajj ajo ajr ajs aoa aob aoc aoi aoj aoo aor aos ar- ara arb arc ari arj aro arr ars as- asa asb asc asi asj aso asr ass baa bab bac bai baj bao bar bas bba bbb bbc bbi bbo bbr bbs bca bcb bcc bci bcj bco bcr bcs bi- bia bib bic bii bij bio bir bis bja bjc bji bjj bjr bjs boa bob boc boi boj boo bor bos bra brb bri brj bro brr brs bsa bsb bsc bsi bsj bso bsr bss c-- c-j caa cab cac cai caj cao car cas cba cbb cbc cbi cbj cbo cbr cbs cca ccb ccc cci ccj cco ccr ccs ci- cia cib cic cii cij cio cir cis cja cjb cjc cjr cjs co- coa cob coc coi coj coo cor cos cra crb crc cri crj cro crr crs csa csb csc csi csj cso csr css ia- iaa iab iac iai iao iar ias iba ibb ibc ibi ibj ibo ibr ibs ica icb icc ici icj ico icr ics iia iib iic iii iij iio iir iis ija ijb ijc iji ijo ijs io- ioa iob ioc ioi ioj ioo ior ios ir- ira irb irc iri irj iro irr irs is- isa isb isc isi isj iso isr iss j-i jaa jab jac jai jaj jao jar jas jba jbc jbi jbj jbo jbr jbs jca jcb jcc jci jco jcr jcs jia jib jic jii jij jio jir jis jja jjb jjc jjj jjr jjs joa job joc joi joj joo jor jos jra jrb jrc jri jro jrr jrs jsa jsb jsc jsi jsj jso jsr jss o-i oaa oab oac oai oaj oao oar oas ob- oba obb obc obi obj obo obr obs oc- oca ocb occ oci ocj oco ocr ocs oia oib oic oii oio oir ois oja ojb ojc oji ojo ojs oo- ooa oob ooc ooi ooo oor oos or- ora orb orc ori oro orr ors os- osa osb osc osi osj oso osr oss ra- raa rab rac rai raj rao rar ras rba rbb rbc rbi rbo rbr rbs rca rcb rcc rci rcj rco rcr rcs ria rib ric rii rio rir ris rja rjc rjr roa rob roc roi roj roo ror ros rra rrb rrc rri rrr rrs rsa rsb rsc rsi rsj rso rsr rss saa sab sac sai saj sao sar sas sba sbb sbc sbi sbj sbo sbr sbs sca scb scc sci scj sco scr scs sia sib sic sii sij sio sir sis sja sjb sjc sji sjj sjr sjs soa sob soc soi soj soo sor sos sr- sra srb src sri srj sro srr srs ss- ssa ssb ssc ssi ssj sso ssr sss