-ic -ji a-a a-b a-c a-i aaa aab aac aai aaj aan aao aas ab- aba abb abc abi abj abn abo abs ac- aca acb acc aci acj acn aco acs ai- aia aib aic aii ain aio ais aja ajb ajc aji ajj ajn ajo ajs an- ana anb anc ani anj ann ano ans aoa aob aoc aoi aoj aon aoo aos as- asa asb asc asi asj asn aso ass baa bab bac bai baj ban bao bas bba bbb bbc bbi bbn bbo bbs bca bcb bcc bci bcj bcn bco bcs bi- bia bib bic bii bij bin bio bis bja bjc bji bjj bjn bjs bna bnb bnc bni bnj bnn bno bns boa bob boc boi boj bon boo bos bsa bsb bsc bsi bsj bsn bso bss c-- c-j caa cab cac cai caj can cao cas cba cbb cbc cbi cbj cbn cbo cbs cca ccb ccc cci ccj ccn cco ccs ci- cia cib cic cii cij cin cio cis cja cjb cjc cjs cn- cna cnb cnc cni cnj cnn cno cns co- coa cob coc coi coj con coo cos csa csb csc csi csj csn cso css ia- iaa iab iac iai ian iao ias iba ibb ibc ibi ibj ibn ibo ibs ica icb icc ici icj icn ico ics iia iib iic iii iij iin iio iis ija ijb ijc iji ijn ijo ijs in- ina inb inc ini inj inn ino ins io- ioa iob ioc ioi ioj ion ioo ios is- isa isb isc isi isj isn iso iss j-i jaa jab jac jai jaj jan jao jas jba jbc jbi jbj jbo jbs jca jcb jcc jci jco jcs jia jib jic jii jij jin jio jis jja jjb jjc jjj jjs jna jnc jnj jnn jno jns joa job joc joi joj jon joo jos jsa jsb jsc jsi jsj jsn jso jss n-i naa nab nac nai naj nan nao nas nba nbb nbc nbi nbn nbo nbs nca ncb ncc nci ncn nco ncs nia nib nic nii nin nio nis nja njc njn njs nna nnb nnc nni nnn nno nns no- noa nob noc noi noj non noo nos nsa nsb nsc nsi nsn nso nss o-i oaa oab oac oai oaj oan oao oas ob- oba obb obc obi obj obn obo obs oc- oca ocb occ oci ocj ocn oco ocs oia oib oic oii oin oio ois oja ojb ojc oji ojo ojs on- ona onb onc oni onj onn ono ons oo- ooa oob ooc ooi oon ooo oos os- osa osb osc osi osj osn oso oss saa sab sac sai saj san sao sas sba sbb sbc sbi sbj sbn sbo sbs sca scb scc sci scj scn sco scs sia sib sic sii sij sin sio sis sja sjb sjc sji sjj sjs sna snb snc sni snj snn sno sns soa sob soc soi soj son soo sos ss- ssa ssb ssc ssi ssj ssn sso sss