-nik bbbb bbci bbin bcbc bccc bcci bcnu bcuc bibb bibi bicc bici bick biin biku bin- binc bini bink binn binu bnib bnin bubb bubi bubu bucc buci buck bucu buic buik buin buiu buki bukk buku bunb buni bunk bunn bunu cbbc cbcc cbcn cbcu cbkn ccbc ccbn cccb cccc ccci cccu ccic ccii ccnb ccnc ccni ccnu ccuc cibc cibi cicc cici cicu ciii cin- cinc cini cink ciuc ckbc ckbi ckck ckin cknb cknc cnbc cnci cnib cnic cnki cub- cubb cubi cucc cuci cuck cucn cui- cuin cuk- icbc iccb iccc icci iccn iccu icnb icnc icub iiii iiuc ikin ikki incb inci inki inni innu inui inuk inun iucc iuiu k-ci kbbb kbbc kbbi kbbk kbbu kbcb kbci kbck kbcu kbib kbic kbik kbiu kbkb kbkk kbnn kbnu kbub kbuc kbuk kbun kbuu kcbc kcbi kcbk kcbu kccb kccc kcci kcck kccu kcic kcii kcin kciu kckc kckk kckn kcnb kcni kcub kcui kcuk kibb kibc kibi kibu kicb kicc kick kiic kiii kiik kiiu kikc kiki kikk kiku kin- kinb kinc kini kink kinn kinu kiun kiuu kkbb kkbi kkbn kkcb kkci kkck kkcn kkic kkik kkin kkkk kknb kkni kknn kknu kkuu knbb knbc knbn knbu kncb knci knck kncn kncu knib knic knik knin knki knkk knnb knnk knub knui knuk kubb kubc kubu kucb kucc kuci kuic kuik kuin kuki kukk kukn kuku kunc kuni kunk kunu kuub kuuk kuuu n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nccu ncnc ncuk nibi nicc nici nick nicu niiu nikc niki niku nini nnnn nubc nubi nubk nuci nuck nucu nuik nuin nuki nuku nunc nunk nunn nuuk ubbi ubic ubii ubik ucbc ucci ucin ukcc uknc uncc unci uni- unic unii unik unin unkn unni uuni uuuu