nmg nmi nmk nml nmm nmn nmo nmr nna nnc nnf nng nni nnk nnl nnm nnn nno no- noa noc nof nog noi nok nol nom non noo nor nra nrc nrf nrg nri nrk nrl nrm nrn nro nrr o-i oaa oac oaf oag oai oak oal oam oan oao oar oc- oca occ ocf ocg oci ock ocl ocm ocn oco ocr of- ofa ofc off ofg ofi ofl ofm ofn ofo ofr oga ogc ogf ogg ogi ogl ogn ogo oia oic oif oii oik oil oim oin oio oir oka okc okg oki okk okl oko okr ola olc olf olg oli olk oll olm oln olo om- oma omc omf omg omi oml omm omn omo omr on- ona onc onf ong oni onk onl onn ono onr oo- ooa ooc oof oog ooi ook ool oom oon ooo oor or- ora orc orf org ori ork orl orm orn oro orr ra- raa rac raf rag rai rak ral ram ran rao rar rca rcc rcf rcg rci rcl rcm rcn rco rcr rfa rfc rff rfg rfi rfk rfl rfm rfn rfo rfr rga rgc rgf rgg rgi rgk rgn rgo rgr ria ric rif rig rii rik ril rim rin rio rir rkc rkf rkg rkk rkm rko rla rlc rlf rlg rli rll rlm rln rlo rlr rma rmc rmf rmg rmi rml rmm rmn rmo rmr rna rnc rng rni rnm rnn rno rnr roa roc rof rog roi rok rol rom ron roo ror rra rrc rrf rrg rri rrk rrl rrm rrn rrr