nngn nnnn nrab nrca nren nrlb nrna nrrc nrrl raab raag raak raan raba rabb rabe rabk rabl rac- raca racc race rach rack raec raeg rael raen raer raga rage ragg ragh raha rahe rahl rahn rahr raka rake rakk rala ralb rale rall rana ranc rane rang rank rann rara rarb rare rark rbbb rbbr rbcl rbgh rble rcac rcbc rccb rccc rcga rcgc rchb rcle rcnl rcnr rcrg rea- reac reae reak real rean rear reba rebb rebe rebk reca recc rece rech reck recr reeb reek reel reen rega rege regl regn regr reha rehb rehe rehn reka reke rela relb rele rell rena rene reng renk renn rera rere rerg rgan rgba rgbe rhae rhag rhbg rhce rhcg rhea rheb rhee rhen rlab rlcg rlee rnag rnal rnbr rnhl rrah rrle rrna rrrr