-ic b-u bbb bbc bbd bbi bbk bbl bbn bbu bcb bcc bcd bci bck bcl bcn bcu bdb bdc bdd bdi bdk bdl bdu bi- bib bic bid bii bik bil bin biu bkb bkc bkk bkl bkn blb blc bld bli blk bll bln blu bnb bnc bnd bni bnk bnl bnn bnu bub buc bud bui buk bul bun buu c-- cbb cbc cbd cbi cbk cbl cbn cbu ccb ccc ccd cci cck ccl ccn ccu cdb cdc cdd cdi cdk cdl cdn cdu ci- cib cic cid cii cik cil cin ciu ckb ckc ckd cki cl- clb clc cld cli clk cll cln clu cn- cnb cnc cnd cni cnl cnn cnu cub cuc cud cui cuk cul cun cuu dbb dbc dbd dbi dbk dbl dbn dbu dcb dcc dcd dci dck dcl dcn dcu ddb ddc ddd ddi ddk ddl ddn ddu di- dib dic did dii dik dil din diu dkb dkc dki dkk dkl dku dl- dlb dlc dld dli dlk dll dlu dnb dnc dnd dni dnk dnl dnn dub duc dud dui duk dul dun i-d ibb ibc ibd ibi ibk ibl ibn ibu icb icc icd ici ick icl icn icu idb idc idd idi idk idl idn idu iib iic iid iii iil iin iiu ikb ikc iki ikk ikl iku il- ilb ilc ild ili ilk ill iln ilu in- inb inc ind ini ink inl inn inu iu- iub iuc iud iui kbb kbc kbd kbi kbk kbl kbn kbu kcb kcc kcd kci kck kcl kcn kcu kdb kdc kdk kdl kdu kib kic kid kii kik kil kin kiu kkb kkc kki kkk kkl kkn kku kl- klb klc kld kli klu kn- knc knd kni knk knl knn knu kub kuc kud kui kuk kul kun kuu lbb lbc lbd lbi lbk lbl lbu lcb lcc lcd lci lck lcl lcn lcu ldb ldc ldd ldi ldk ldl ldn ldu lib lic lid lii lik lil lin liu lkb lkl llb llc lld lli llk lll lln llu lnb lnc lnd lni lnk lnl lnn lnu lub luc lud lui luk lul lun luu n-i nbb nbc nbd nbi nbk nbl nbn nbu ncb ncc ncd nci nck ncl ncn ncu ndb ndc ndd ndi ndk ndl ndn ndu nib nic nid nii nik nil nin niu nkc nki nkk nkn nku nlb nlc nld nli nlk nll nln nlu nnb nnc nni nnk nnl nnn nnu nub nuc nud nui nuk nul nun nuu ubb ubc ubi ubk ubl ubn ubu ucb ucc ucd uci uck ucl ucn ucu udb udc udd udi udk udl udn udu uib uic uid uii uil uin uiu ukb ukc uki ukk ukl ukn uku ulb ulc uld uli ulk ull uln ulu un- unb unc und uni unk unl unn unu uuc uun uuu

-nik bbbb bbci bbdd bbin bblb bcbc bccc bcci bccl bcnu bcuc bdbc bddc bdii bdin bibb bibi bibl bicc bici bick bidi bidu biin biku bild bili bilk bill bilu bin- binc bind bini bink binn binu blcu bldc blic blik blin blkb blkd blni blub blud bnib bnin bubb bubi bubu bucc buci buck bucu budb budd budi budl budu buic buid buik buin buiu buki bukk buku bulb buld buli bulk bull bulu bunb bund buni bunk bunn bunu c-cd cbbc cbcc cbcl cbcn cbcu cbdb cbdc cbdi cbdn cbid cbkl cbkn cblb cblc cbln cbnd ccbc ccbn cccb cccc ccci cccl cccu ccdc ccdi ccdn ccic ccid ccii ccil cclc ccli ccnb ccnc ccni ccnu ccuc cddb cddl cdic cdii cdli cdnb cdnc cibc cibi cicc cici cicu cidc cidi ciid ciii cili cilk cill cin- cinc cind cini cink ciuc ckbc ckbi ckck ckcl ckdu ckin ckln cknb cknc clcd cldc clib clic clii clik clin club clud clun cnbc cnbl cnci cndd cnib cnic cnid cnki cub- cubb cubi cucc cuci cuck cucn cudi cui- cuil cuin cuk- culb culc culd culk cull cund dbcc dbnl dcbc dccb dccc dcci dccl dccu dcdb dcii dcil dcli dddd ddlc ddub dibb dici dick didi didu diii diki diku dili dilk dill din- dinc dini dink dinn dinu dkdc dkid dlbd dlib dlii dlil dnic dnuk dub- dubb dubc dubu duck dudd dudu duid duil duin duki duku dulc duli dull dulu dunc dunk dunn duul ibid icbc icbd iccb iccc icci iccl iccn iccu icdc icdd icdl icll icnb icnc icub idic idid idil idin idku idli idub idun iicd iiii iiuc ikid ikin ikki ilbc ilcd ilic ilin ilki ilku ill- illd illi ilni ilud inbd incb incd inci incl ind- indc indi indu inid inkd inki inni innu inui inuk inul inun iucc iuiu k-ci k-id kbbb kbbc kbbd kbbi kbbk kbbl kbbu kbcb kbci kbck kbcl kbcu kbdb kbdi kbdl kbdn kbib kbic kbid kbik kbil kbiu kbkb kbkk kbkl kblb kbld kbll kblu kbnd kbnl kbnn kbnu kbub kbuc kbud kbuk kbul kbun kbuu kcbc kcbd kcbi kcbk kcbl kcbu kccb kccc kccd kcci kcck kccl kccu kcdc kcdd kcdi kcdu kcic kcid kcii kcil kcin kciu kckc kckk kckl kckn kclc kcli kclk kcll kcln kclu kcnb kcnd kcni kcub kcui kcuk kcul kdbb kdbi kdbl kdbn kdcc kdcd kddb kddc kddd kddi kddk kddl kdic kdil kdkb kdkd kdkk kdkn kdlb kdlc kdld kdll kdnd kdni kdnk kdnn kdub kduc kdun kibb kibc kibi kibl kibu kicb kicc kicd kick kicl kidb kidd kidi kidk kidl kidu kiic kiid kiii kiik kiiu kikc kikd kiki kikk kiku kilb kild kili kilk kill kiln kin- kinb kinc kind kini kink kinl kinn kinu kiul kiun kiuu kkbb kkbd kkbi kkbl kkbn kkcb kkcd kkci kkck kkcl kkcn kkdc kkdd kkdl kkic kkid kkik kkin kkkk kklb kklc kkld kkli kkll kkln kknb kknd kkni kknn kknu kkuu klbb klbc klbd klbl klbn klbu klcb klcc klcd klci klck klcl klcn kldc kldd kldn klib klic klid klik klil klin