nemn nemu nene neni nenu nerc nere neri nerl nerm nerr neru neuc neue neum neun neur neuu nibe nibi nibm nicc nice nici nicl nicu niel nien nier niir niiu nile nili nill nilu nimb nimc nimi nimr nimu nine nini ninl nire niru niue niur nlcc nlec nler nlic nlrb nm-e nmic nmmc nmml nmrc nmri nnmc nnnn nrem nren nric nrlb nrml nrrc nrrl nubc nube nubi nubl nuce nuci nucu nuee nuel nuer nuim nuin nule nuli null numb nume numi numm numu nunc nune nunn nurc nure nuri nurl nurn nurr nuru rbbb rbbr rbcl rble rcbc rccb rccc rcic rcle rcnl rcnr rebb rebe rebu recc rece reci recm recr recu reeb reel reem reen reii reil reim rein reir reiu relb rele rell relm reme remi remn rene reni renn renu rere reri reru reue reul reuu rib- ribe ribu ricc rice riel riem rien rier rieu riin rile rill rilu rime rimi rimm rimu rine rinn rire riri riue rlee rleu rlin rlml rmll rnbr rnie rnin rnli rrle rrmc rrrr rrum rrun rubb rube rubi rubu ruce ruci ruel ruen ruer ruin rule rull rumb rume rumi ruml rumm runc rune runi runn rurc rure ruri ruru ruun u-ie ubbe ubbi uber ubic ubii ubir uble ubli ucbc ucci ucel ucil ucin ucmc ucrc uein ueir uele ueli uell uile uiml uirr ulbc ulcc uleb ulee ulen ulic ulie ulim ulle ulli ullr ulme ulmi ulmu ulne ulul ulum umb- umbe umbi umec umer umri unbe uncc unce unci uncl uneb unec unee unen uner uni- unic unie unii unin unir unle unmc unmr unne unni unum urbe urbi urci ure- urib uric urie urim urin uriu urle urmi urne urni urre urri urum urun urur uuen uulu uuni uuri uuuu