nar nat nba nbb nbc nbd nbe nbg nbi nbl nbn nbr nbt nca ncb ncc ncd nce ncg nci ncl ncn ncr nct nda ndb ndc ndd nde ndg ndi ndl ndn ndr ndt ne- nea neb nec ned nee neg nei nel nen ner net nga ngb ngc ngd nge ngg ngi ngl ngn ngt nia nib nic nid nie nig nii nil nin nir nit nla nlb nlc nld nle nlg nli nll nln nlr nlt nna nnb nnc nne nng nni nnl nnn nnt nra nrb nrc nrd nre nrg nri nrl nrn nrr nrt nta ntb ntc ntd nte ntg nti ntn ntr ntt ra- raa rab rac rad rae rag rai ral ran rar rat rba rbb rbc rbd rbe rbg rbi rbl rbn rbr rbt rca rcb rcc rcd rce rcg rci rcl rcn rcr rct rda rdb rdc rdd rde rdg rdi rdl rdn rdr rdt re- rea reb rec red ree reg rei rel ren rer ret rga rgb rgc rgd rge rgg rgi rgn rgr rgt ria rib ric rid rie rig rii ril rin rir rit rla rlc rld rle rlg rli rll rln rlr rlt rna rnb rnc rnd rng rni rnn rnr rnt rra rrb rrc rrd rrg rri rrl rrn rrr rrt rta rtb rtc rtd rte rtg rti rtl rtn rtr rtt taa tab tac tad tae tag tai tal tan tar tat tba tbb tbc tbd tbe tbg tbi tbl tbn tbr tbt tca tcb tcc tcd tce tcg tci tcl tcn tcr tct tda tdb tdc tdd tde tdg tdi tdl tdn tdr tdt te- tea teb tec ted tee teg tei tel ten ter tet tga tgb tgc tge tgg tgi tgl tgn tgr tgt tia tib tic tid tie tig tii til tin tir tit tla tlc tld tle tlg tli tll tln tlr tlt tna tnb tnc tnd tne tng tni tnl tnn tnr tnt tra trb trc trd tre trg tri trl trn trr trt tta ttb ttc ttd tte ttg tti ttl ttn ttr ttt