nbe nbg nbi nbm nbn nbr nbu nca ncb ncc ncd nce ncg nci ncm ncn ncr ncu nda ndb ndc ndd nde ndg ndi ndm ndn ndr ndu ne- nea neb nec ned nee neg nei nem nen ner neu nga ngb ngc ngd nge ngg ngi ngm ngn ngu nia nib nic nid nie nig nii nim nin nir niu nma nmb nmc nmd nme nmg nmi nmm nmn nmr nmu nna nnb nnc nne nng nni nnm nnn nnu nra nrb nrc nrd nre nrg nri nrm nrn nrr nru nua nub nuc nud nue nug nui num nun nur nuu ra- raa rab rac rad rae rag rai ram ran rar rau rba rbb rbc rbd rbe rbg rbi rbm rbn rbr rbu rca rcb rcc rcd rce rcg rci rcm rcn rcr rcu rda rdb rdc rdd rde rdg rdi rdm rdn rdr rdu re- rea reb rec red ree reg rei rem ren rer reu rga rgb rgc rgd rge rgg rgi rgn rgr ria rib ric rid rie rig rii rim rin rir rma rmb rmc rmd rme rmg rmi rmm rmn rmr rna rnb rnc rnd rng rni rnm rnn rnr rnu rra rrb rrc rrd rrg rri rrm rrn rrr rru rua rub ruc rud rue rug rui rum run rur ruu ua- uaa uab uac uad uae uag uai uam uan uar uau uba ubb ubc ube ubg ubi ubn ubr ubu uca ucb ucc ucd uce ucg uci ucm ucn ucr ucu uda udb udc udd ude udg udi udm udn udr udu uea ueb uec ued uee ueg uei uem uen uer uga ugb ugc uge ugg ugi ugm ugn ugr ugu uia uib uic uid uie uig uii uim uin uir uiu um- uma umb umc umd ume umg umi umm umn umr umu un- una unb unc und une ung uni unm unn unr unu ur- ura urb urc urd ure urg uri urm urn urr uru uua uuc uue uug uum uun uur uuu