nig nii nik nim nin nio nir nka nkc nki nkk nkm nkn nko nkr nma nmb nmc nmd nmg nmi nmk nmm nmn nmo nmr nna nnb nnc nng nni nnk nnm nnn nno no- noa nob noc nod nog noi nok nom non noo nor nra nrb nrc nrd nrg nri nrk nrm nrn nro nrr o-i oaa oab oac oad oag oai oak oam oan oao oar ob- oba obb obc obd obg obi obk obm obn obo obr oc- oca ocb occ ocd ocg oci ock ocm ocn oco ocr oda odb odc odd odg odi odm odn odo odr oga ogc ogd ogg ogi ogn ogo oia oib oic oid oii oik oim oin oio oir oka okb okc okd okg oki okk oko okr om- oma omb omc omd omg omi omm omn omo omr on- ona onb onc ond ong oni onk onn ono onr oo- ooa oob ooc ood oog ooi ook oom oon ooo oor or- ora orb orc ord org ori ork orm orn oro orr ra- raa rab rac rad rag rai rak ram ran rao rar rba rbb rbc rbd rbg rbi rbk rbm rbn rbo rbr rca rcb rcc rcd rcg rci rcm rcn rco rcr rda rdb rdc rdd rdg rdi rdm rdn rdo rdr rga rgb rgc rgd rgg rgi rgk rgn rgo rgr ria rib ric rid rig rii rik rim rin rio rir rkb rkc rkg rkk rkm rko rma rmb rmc rmd rmg rmi rmm rmn rmo rmr rna rnb rnc rnd rng rni rnm rnn rno rnr roa rob roc rod rog roi rok rom ron roo ror rra rrb rrc rrd rrg rri rrk rrm rrn rrr