nlc nle nlf nlg nli nlk nll nln nlo nlr nna nnc nne nnf nng nni nnk nnl nnn nno no- noa noc noe nof nog noi nok nol non noo nor nra nrc nre nrf nrg nri nrk nrl nrn nro nrr o-i oaa oac oae oaf oag oai oak oal oan oao oar oc- oca occ ocf ocg oci ock ocl ocn oco ocr oea oec oee oef oeg oei oel oen oeo oer of- ofa ofc ofe off ofg ofi ofl ofn ofo ofr oga ogc oge ogf ogg ogi ogl ogn ogo oia oic oie oif oii oik oil oin oio oir oka okc oke okg oki okk okl oko okr ola olc ole olf olg oli olk oll oln olo on- ona onc one onf ong oni onk onl onn ono onr oo- ooa ooc oof oog ooi ook ool oon ooo oor or- ora orc ore orf org ori ork orl orn oro orr ra- raa rac rae raf rag rai rak ral ran rao rar rca rcc rce rcf rcg rci rcl rcn rco rcr re- rea rec ree ref reg rei rek rel ren reo rer rfa rfc rfe rff rfg rfi rfk rfl rfn rfo rfr rga rgc rge rgf rgg rgi rgk rgn rgo rgr ria ric rie rif rig rii rik ril rin rio rir rkc rke rkf rkg rkk rko rla rlc rle rlf rlg rli rll rln rlo rlr rna rnc rng rni rnn rno rnr roa roc roe rof rog roi rok rol ron roo ror rra rrc rrf rrg rri rrk rrl rrn rrr