-ji a-a a-b a-i aaa aab aai aaj aao aas ab- aba abb abi abj abo abs ai- aia aib aii aio ais aja ajb aji ajj ajo ajs aoa aob aoi aoj aoo aos as- asa asb asi asj aso ass baa bab bai baj bao bas bba bbb bbi bbo bbs bi- bia bib bii bij bio bis bja bji bjj bjs boa bob boi boj boo bos bsa bsb bsi bsj bso bss ia- iaa iab iai iao ias iba ibb ibi ibj ibo ibs iia iib iii iij iio iis ija ijb iji ijo ijs io- ioa iob ioi ioj ioo ios is- isa isb isi isj iso iss j-i jaa jab jai jaj jao jas jba jbi jbj jbo jbs jia jib jii jij jio jis jja jjb jjj jjs joa job joi joj joo jos jsa jsb jsi jsj jso jss o-i oaa oab oai oaj oao oas ob- oba obb obi obj obo obs oia oib oii oio ois oja ojb oji ojo ojs oo- ooa oob ooi ooo oos os- osa osb osi osj oso oss saa sab sai saj sao sas sba sbb sbi sbj sbo sbs sia sib sii sij sio sis sja sjb sji sjj sjs soa sob soi soj soo sos ss- ssa ssb ssi ssj sso sss