-ji a-a a-b a-i aaa aab aai aaj aan aao aas ab- aba abb abi abj abn abo abs ai- aia aib aii ain aio ais aja ajb aji ajj ajn ajo ajs an- ana anb ani anj ann ano ans aoa aob aoi aoj aon aoo aos as- asa asb asi asj asn aso ass baa bab bai baj ban bao bas bba bbb bbi bbn bbo bbs bi- bia bib bii bij bin bio bis bja bji bjj bjn bjs bna bnb bni bnj bnn bno bns boa bob boi boj bon boo bos bsa bsb bsi bsj bsn bso bss ia- iaa iab iai ian iao ias iba ibb ibi ibj ibn ibo ibs iia iib iii iij iin iio iis ija ijb iji ijn ijo ijs in- ina inb ini inj inn ino ins io- ioa iob ioi ioj ion ioo ios is- isa isb isi isj isn iso iss j-i jaa jab jai jaj jan jao jas jba jbi jbj jbo jbs jia jib jii jij jin jio jis jja jjb jjj jjs jna jnj jnn jno jns joa job joi joj jon joo jos jsa jsb jsi jsj jsn jso jss n-i naa nab nai naj nan nao nas nba nbb nbi nbn nbo nbs nia nib nii nin nio nis nja njn njs nna nnb nni nnn nno nns no- noa nob noi noj non noo nos nsa nsb nsi nsn nso nss o-i oaa oab oai oaj oan oao oas ob- oba obb obi obj obn obo obs oia oib oii oin oio ois oja ojb oji ojo ojs on- ona onb oni onj onn ono ons oo- ooa oob ooi oon ooo oos os- osa osb osi osj osn oso oss saa sab sai saj san sao sas sba sbb sbi sbj sbn sbo sbs sia sib sii sij sin sio sis sja sjb sji sjj sjs sna snb sni snj snn sno sns soa sob soi soj son soo sos ss- ssa ssb ssi ssj ssn sso sss