-ing c-cd cccc cccf ccci cccu ccdc ccdf ccdi ccdn ccfc ccfd ccff ccfi ccgc ccic ccid ccii ccnc ccnf ccni ccnu ccuc cdic cdii cdnc cdnf cfcf cfcn cfgn cfni cfun cgcc cgcg cgfc cicc cici cicu cidc cidg cidi ciff cifg cigi cigu ciid ciii cin- cinc cind cinf cing cini ciuc cnci cndd cngi cnic cnid cucc cuci cucn cudi cufc cuff cufi cui- cuif cuin cund dccc dcci dccu dcfc dcii dddd dfcc dfcu dici didi didu dif- diff digg digi diii din- dinc ding dini dinn dinu dnic dudd dudu dufc duff dufu dugu duid duif duin dunc dung dunn fccf fcic fcii fdic ffcc ffff ffii ffun ficc fidc fidf fifc fiff fifi figc figg fiii find fing fini finn fnci fndd fndg fndn fnuf fuc- fuci fudd fudi fufc fuff fufu fugi fugu fuid fuig fund funf fung gc-c gccc gccf gcfc gcic gcii gdci gdnf gfcf gfci ggfg gggg gidc gidd gidi giff gifu gigg gigi gign ging gini ginn ginu gncc gngc gnin guci gudi gudu gufc guff gugg gugi gugu guid guin gund gung gunn iccc iccf icci iccn iccu icdc icdd icgc icnc idfc idgf idic idid idig idin idun ifcd ific ifid ifni igcc igfc igni ignu iicd iiii iiuc incd inci ind- indc indi indu infi inid inig inni innu inui inun iucc iuiu n-ii nccc nccf ncci nccn nccu ncdc ncdn ncdu ncfc ncid ncnc ncnd ndcc ndfi ndic nfcu nfdc nfff nfic ngdc ngic nguu nicc nicd nicf nici nicu nidd nidi nifc niff nigc nigg niiu nind ning nini nngn nnnn nuci nucu nudc nudd nudi nuff nuin nunc nung nunn ucci ucdc ucdd ucin uddi udic udid udig udin udun ufcu ugcc ugcg ugni uguu uncc uncf uncg unci undi unfd ungu uni- unic unif unii unin unni uuni uuuu