a-a aaa aaf aaj aan aao aas aax af- afa aff afj afn afo afs afx aja ajf ajj ajn ajo ajs an- ana anf anj ann ano ans anx aoa aof aoj aon aoo aos aox as- asa asf asj asn aso ass asx ax- axa axj axn axo axs axx faa faf faj fan fao fas fax ffa fff ffn ffo ffs ffx fja fjs fna fnf fnj fnn fns fnx foa fof fon foo fos fox fsa fsf fsj fsn fso fss fsx fxs fxx jaa jaf jaj jan jao jas jax jfa jff jfj jfo jfs jfx jja jjf jjj jjs jna jnf jnj jnn jno jns joa jof joj jon joo jos jsa jsf jsj jsn jso jss jxn jxs naa naf naj nan nao nas nax nfa nff nfn nfo nfs nja njf njn njs nna nnf nnn nno nns no- noa nof noj non noo nos nox nsa nsf nsn nso nss nsx oaa oaf oaj oan oao oas oax of- ofa off ofn ofo ofs ofx oja ojo ojs on- ona onf onj onn ono ons onx oo- ooa oof oon ooo oos oox os- osa osf osj osn oso oss osx ox- oxa oxf oxn oxo oxx saa saf saj san sao sas sax sfa sff sfj sfn sfo sfs sfx sja sjf sjj sjs sna snf snj snn sno sns soa sof soj son soo sos sox ss- ssa ssf ssj ssn sso sss ssx sxn sxs xaa xaf xan xas xfa xfn xfs xfx xjo xjs xna xno xns xoa xof xon xoo xos xox xsa xss xxo xxx