nbi nbl nbm nbn nbo nbp nca ncb ncc nce nch nci ncl ncm ncn nco ncp ne- nea neb nec nee neh nei nel nem nen neo nep nha nhb nhc nhe nhh nhi nhl nhm nhn nhp nia nib nic nie nih nii nil nim nin nio nip nla nlb nlc nle nlh nli nll nlm nln nlo nlp nma nmb nmc nme nmh nmi nml nmm nmn nmo nmp nna nnb nnc nne nnh nni nnl nnm nnn nno nnp no- noa nob noc noe noh noi nol nom non noo nop npa npb npc npe nph npi npl npm npn npo npp o-i oaa oab oac oae oah oai oal oam oan oao oap ob- oba obb obc obe obh obi obl obm obn obo obp oc- oca ocb occ och oci ocl ocm ocn oco ocp oea oeb oec oee oeh oei oel oem oen oeo oep oha ohc ohe ohh ohi ohl ohm ohn oho ohp oia oib oic oie oii oil oim oin oio oip ola olb olc ole oli oll olm oln olo olp om- oma omb omc ome omh omi oml omm omn omo omp on- ona onb onc one onh oni onl onn ono onp oo- ooa oob ooc ooh ooi ool oom oon ooo oop op- opa opb opc ope oph opi opl opm opn opo opp p-p paa pab pac pae pah pai pal pam pan pao pap pba pbb pbc pbe pbi pbl pbm pbn pbo pbp pca pcb pcc pce pch pci pcl pcm pcn pco pcp pea peb pec pee peh pei pel pem pen peo pep pha phb phc phe phi phl phm phn pho php pia pib pic pie pih pii pil pim pin pio pip pla plb plc ple plh pli pll plm pln plo plp pma pmb pmc pme pmh pmi pml pmm pmn pmo pmp pn- pna pnb pnc pne pnh pni pnl pnm pnn pno pnp poa pob poc poe poh poi pol pom pon poo pop ppa ppb ppc ppe pph ppi ppl ppm ppn ppo ppp