-ji a-a a-b a-i aaa aab aag aai aaj aak aao aar ab- aba abb abg abi abj abk abo abr ag- aga agb agg agi agj agk ago agr ai- aia aib aig aii aik aio air aja ajb aji ajj ajk ajo ajr aka akb akg aki akj akk ako akr aoa aob aog aoi aoj aok aoo aor ar- ara arb arg ari arj ark aro arr baa bab bag bai baj bak bao bar bba bbb bbg bbi bbk bbo bbr bga bgb bgg bgi bgk bgo bgr bi- bia bib big bii bij bik bio bir bja bjg bji bjj bjk bjr bka bkb bkg bkk bko bkr boa bob bog boi boj bok boo bor bra brb brg bri brj brk bro brr gaa gab gag gai gaj gak gao gar gba gbg gbi gbj gbk gbo gbr gga ggb ggg ggi ggj ggo ggr gia gib gig gii gij gik gio gir gja gjg gjr gka gkb gko goa gob gog goi gok goo gor gra grb grg gri grj grk gro grr ia- iaa iab iag iai iao iar iba ibb ibg ibi ibj ibk ibo ibr iga igb igg igi igk igo igr iia iib iii iij iio iir ija ijb ijg iji ijk ijo ika ikb iki ikk iko ikr io- ioa iob iog ioi ioj ioo ior ir- ira irb irg iri irj irk iro irr j-i jaa jab jag jai jaj jak jao jar jba jbg jbi jbj jbk jbo jbr jga jgb jgi jgo jgr jia jib jig jii jij jio jir jja jjb jjg jjj jjk jjr jka jkb jkk jko jkr joa job jog joi joj jok joo jor jra jrb jrg jri jrk jro jrr ka- kaa kab kag kai kaj kak kao kar kba kbb kbi kbk kbo kbr kga kgb kgi kgo kia kib kig kii kij kik kio kir kjb kji kjr kkb kki kkk kkr koa kob kog koi kok koo kor kra krg kri krk kro krr o-i oaa oab oag oai oaj oak oao oar ob- oba obb obg obi obj obk obo obr oga ogg ogi ogo oia oib oii oik oio oir oja ojb oji ojo oka okb okg oki okj okk oko okr oo- ooa oob oog ooi ook ooo oor or- ora orb org ori ork oro orr ra- raa rab rag rai raj rak rao rar rba rbb rbg rbi rbk rbo rbr rga rgb rgg rgi rgk rgo rgr ria rib rig rii rik rio rir rja rjg rjk rjr rkb rkg rkk rko roa rob rog roi roj rok roo ror rra rrb rrg rri rrk rrr