nbe nbf nbg nbi nbm nbn nbo nbr nca ncb ncc nce ncf ncg nci ncm ncn nco ncr ne- nea neb nec nee nef neg nei nem nen neo ner nfa nfb nfc nfe nff nfi nfn nfo nfr nga ngb ngc nge ngf ngg ngi ngm ngn ngo nia nib nic nie nif nig nii nim nin nio nir nma nmb nmc nme nmg nmi nmm nmn nmo nmr nna nnb nnc nne nnf nng nni nnm nnn nno no- noa nob noc noe nof nog noi nom non noo nor nra nrb nrc nre nrf nrg nri nrm nrn nro nrr o-i oaa oab oac oae oaf oag oai oam oan oao oar ob- oba obb obc obe obf obg obi obm obn obo obr oc- oca ocb occ ocf ocg oci ocm ocn oco ocr oea oeb oec oee oef oeg oei oem oen oeo oer of- ofa ofb ofc ofe off ofg ofi ofm ofn ofo ofr oga ogc oge ogf ogg ogi ogn ogo oia oib oic oie oif oii oim oin oio oir om- oma omb omc ome omf omg omi omm omn omo omr on- ona onb onc one onf ong oni onn ono onr oo- ooa oob ooc oof oog ooi oom oon ooo oor or- ora orb orc ore orf org ori orm orn oro orr ra- raa rab rac rae raf rag rai ram ran rao rar rba rbb rbc rbe rbf rbg rbi rbm rbn rbo rbr rca rcb rcc rce rcf rcg rci rcm rcn rco rcr re- rea reb rec ree ref reg rei rem ren reo rer rfa rfb rfc rfe rff rfg rfi rfm rfn rfo rfr rga rgb rgc rge rgf rgg rgi rgn rgo rgr ria rib ric rie rif rig rii rim rin rio rir rma rmb rmc rme rmf rmg rmi rmm rmn rmo rmr rna rnb rnc rng rni rnm rnn rno rnr roa rob roc roe rof rog roi rom ron roo ror rra rrb rrc rrf rrg rri rrm rrn rrr