nec ned nee nei nek nel nen nep neu nia nib nic nid nie nii nik nil nin nip niu nka nkc nke nki nkk nkn nkp nku nla nlb nlc nld nle nli nlk nll nln nlp nlu nna nnb nnc nne nni nnk nnl nnn nnp nnu npa npb npc npd npe npi npl npn npp npu nua nub nuc nud nue nui nuk nul nun nup nuu p-p paa pab pac pad pae pai pak pal pan pap pau pba pbb pbc pbd pbe pbi pbk pbl pbn pbp pbu pca pcb pcc pcd pce pci pck pcl pcn pcp pcu pda pdb pdc pdd pde pdi pdk pdl pdn pdp pdu pea peb pec ped pee pei pek pel pen pep peu pia pib pic pid pie pii pik pil pin pip piu pka pkb pkc pkd pke pki pkl pkn pkp pku pla plb plc pld ple pli plk pll pln plp plu pn- pna pnb pnc pnd pne pni pnk pnl pnn pnp pnu ppa ppb ppc ppd ppe ppi ppk ppl ppn ppp ppu pua pub puc pud pue pui puk pul pun pup puu ua- uaa uab uac uad uae uai uak ual uan uap uau uba ubb ubc ube ubi ubk ubl ubn ubp ubu uca ucb ucc ucd uce uci uck ucl ucn ucp ucu uda udb udc udd ude udi udk udl udn udp udu uea ueb uec ued uee uei uel uen uep uia uib uic uid uie uii uil uin uip uiu uka ukb ukc uke uki ukk ukl ukn ukp uku ula ulb ulc uld ule uli ulk ull uln ulp ulu un- una unb unc und une uni unk unl unn unp unu up- upa upb upc upd upe upi upk upn upp upu uua uuc uue uun uuu