kknn kkrb kkrc kkrk kkrn kkrr knaa knab knac knai knan knar knba knbb knbc knbn knbr knca kncb knci knck kncn kncr knda kndb kndc kndd kndi kndk kndn kndr knia knib knic knid knik knin knir knki knkk knnb knnd knnk knnr knrb knrk krab krac krad krai krak kran krar krba krbb krbd krbi krbk krbr krca krcb krcc krcd krci krcn krda krdc krdd krdr kria krib krid krik krin krka krkc krkd krki krkk krkn krkr krna krnb krnd krni krnk krnn krrb krrc krri krrk krrn krrr n-ii naaa naab naac naad naai naan naar naba nabc nabi nabk naca nacc nacd naci nack nada nadc nadi nadk nadr naia naib naic naid naik nain nair naka nan- nana nanb nand nani nann nara narc nard nari nark narn narr nbaa nbad nbak nbar nbbc nbca nbcc nbci nbia nbic ncaa ncac ncar ncba ncbc ncbi ncca nccc ncci nccn nccr ncda ncdc ncdn ncdr ncia ncid ncna ncnc ncnd ncra ncrc ncri ndaa ndai ndak ndcc nddb ndia ndic ndna ndrc ndri niab niac niad niak nian nibi nica nicc nicd nici nick nida nidd nidi niia niir nika nikc niki nina nind nini nira nkia nndb nnnn nrab nrca nrdc nric nrna nrrc nrrd raab raad raak raan raba rabb rabi rabk rac- raca racc raci rack rada radc radd radr raia raic raid raii raik rain rair raka raki rakk rana ranc rand rani rank rann rara rarb rari rark rbbb rbbr rcac rcbc rccb rccc rcdc rcic rcid rcnr rcrd rdac rdna riaa riab riad riai riak rian rib- riba rica ricc rick rida ridc ridd ridi riia riin rika riki rikk rina rind rink rinn riri rnai rnbr rndc rnin rrad rrna rrrr