-er -ji a-a a-b a-i aaa aab aae aai aaj aan aao aar ab- aba abb abe abi abj abn abo abr aea aeb aee aei aej aen aeo aer ai- aia aib aie aii ain aio air aja ajb aje aji ajj ajn ajo ajr an- ana anb ane ani anj ann ano anr aoa aob aoe aoi aoj aon aoo aor ar- ara arb are ari arj arn aro arr baa bab bae bai baj ban bao bar bba bbb bbe bbi bbn bbo bbr be- bea beb bee bei ben beo ber bi- bia bib bie bii bij bin bio bir bja bji bjj bjn bjr bna bnb bne bni bnj bnn bno bnr boa bob boe boi boj bon boo bor bra brb bre bri brj brn bro brr eaa eab eae eai eaj ean eao ear eba ebb ebe ebi ebj ebn ebo ebr eea eeb eee een eeo eer eia eib eie eii eij ein eio eir eja eji ejo en- ena enb ene eni enn eno enr eo- eoa eob eoe eoi eon eoo eor era erb ere eri ern ero err ia- iaa iab iae iai ian iao iar iba ibb ibe ibi ibj ibn ibo ibr ie- iea iee iei iej ien ier iia iib iie iii iij iin iio iir ija ijb ije iji ijn ijo in- ina inb ine ini inj inn ino inr io- ioa iob ioe ioi ioj ion ioo ior ir- ira irb ire iri irj irn iro irr j-i jaa jab jae jai jaj jan jao jar jba jbi jbj jbo jbr jea jeb jee jei jej jen jeo jer jia jib jie jii jij jin jio jir jja jjb jjj jjr jna jne jnj jnn jno jnr joa job joe joi joj jon joo jor jra jrb jri jrn jro jrr n-i naa nab nae nai naj nan nao nar nba nbb nbe nbi nbn nbo nbr ne- nea neb nee nei nej nen neo ner nia nib nie nii nin nio nir nja nje njn nna nnb nne nni nnn nno no- noa nob noe noi noj non noo nor nra nrb nre nri nrj nrn nro nrr o-i oaa oab oae oai oaj oan oao oar ob- oba obb obe obi obj obn obo obr oea oeb oee oei oen oeo oer oia oib oie oii oin oio oir oja ojb oje oji ojo on- ona onb one oni onj onn ono onr oo- ooa oob ooi oon ooo oor or- ora orb ore ori orn oro orr ra- raa rab rae rai raj ran rao rar rba rbb rbe rbi rbn rbo rbr re- rea reb ree rei ren reo rer ria rib rie rii rin rio rir rja rjr rna rnb rni rnn rno rnr roa rob roe roi roj ron roo ror rra rrb rri rrn rrr