-ji bbb bbi bbn bbo bbs bi- bib bii bij bin bio bis bji bjj bjn bjs bnb bni bnj bnn bno bns bob boi boj bon boo bos bsb bsi bsj bsn bso bss ibb ibi ibj ibn ibo ibs iib iii iij iin iio iis ijb iji ijn ijo ijs in- inb ini inj inn ino ins io- iob ioi ioj ion ioo ios is- isb isi isj isn iso iss j-i jbi jbj jbo jbs jib jii jij jin jio jis jjb jjj jjs jnj jnn jno jns job joi joj jon joo jos jsb jsi jsj jsn jso jss n-i nbb nbi nbn nbo nbs nib nii nin nio nis njn njs nnb nni nnn nno nns no- nob noi noj non noo nos nsb nsi nsn nso nss o-i ob- obb obi obj obn obo obs oib oii oin oio ois ojb oji ojo ojs on- onb oni onj onn ono ons oo- oob ooi oon ooo oos os- osb osi osj osn oso oss sbb sbi sbj sbn sbo sbs sib sii sij sin sio sis sjb sji sjj sjs snb sni snj snn sno sns sob soi soj son soo sos ss- ssb ssi ssj ssn sso sss