-ji a-a a-b a-i aaa aab aai aaj aan aao aar ab- aba abb abi abj abn abo abr ai- aia aib aii ain aio air aja ajb aji ajj ajn ajo ajr an- ana anb ani anj ann ano anr aoa aob aoi aoj aon aoo aor ar- ara arb ari arj arn aro arr baa bab bai baj ban bao bar bba bbb bbi bbn bbo bbr bi- bia bib bii bij bin bio bir bja bji bjj bjn bjr bna bnb bni bnj bnn bno bnr boa bob boi boj bon boo bor bra brb bri brj brn bro brr ia- iaa iab iai ian iao iar iba ibb ibi ibj ibn ibo ibr iia iib iii iij iin iio iir ija ijb iji ijn ijo in- ina inb ini inj inn ino inr io- ioa iob ioi ioj ion ioo ior ir- ira irb iri irj irn iro irr j-i jaa jab jai jaj jan jao jar jba jbi jbj jbo jbr jia jib jii jij jin jio jir jja jjb jjj jjr jna jnj jnn jno jnr joa job joi joj jon joo jor jra jrb jri jrn jro jrr n-i naa nab nai naj nan nao nar nba nbb nbi nbn nbo nbr nia nib nii nin nio nir nja njn nna nnb nni nnn nno no- noa nob noi noj non noo nor nra nrb nri nrj nrn nro nrr o-i oaa oab oai oaj oan oao oar ob- oba obb obi obj obn obo obr oia oib oii oin oio oir oja ojb oji ojo on- ona onb oni onj onn ono onr oo- ooa oob ooi oon ooo oor or- ora orb ori orn oro orr ra- raa rab rai raj ran rao rar rba rbb rbi rbn rbo rbr ria rib rii rin rio rir rja rjr rna rnb rni rnn rno rnr roa rob roi roj ron roo ror rra rrb rri rrn rrr