-ic bbb bbc bbi bbk bbn bbr bbs bby bcb bcc bci bck bcn bcr bcs bcy bcz bi- bib bic bii bik bin bir bis biy biz bkb bkc bkk bkn bkr bks bnb bnc bni bnk bnn bnr bns bnz brb bri brk brn brr brs bry brz bsb bsc bsi bsk bsn bsr bss bsy by- byc byi byk byn byr bys byz bzn bzr bzs bzz c-- cbb cbc cbi cbk cbn cbr cbs cby cbz ccb ccc cci cck ccn ccr ccs ccz ci- cib cic cii cik cin cir cis ckb ckc cki cks cky cn- cnb cnc cni cnn cnr cns cny crb crc cri crk crn crr crs cry crz csb csc csi csk csn csr css csy csz cyb cyc cyk cyn cyr cys cz- czc czk ibb ibc ibi ibk ibn ibr ibs iby ibz icb icc ici ick icn icr ics icy icz iib iic iii iin iir iis ikb ikc iki ikk ikr iks in- inb inc ini ink inn inr ins iny ir- irb irc iri irk irn irr irs iry is- isb isc isi isk isn isr iss isy iyc iyr iys iyy izi izy izz k-z kbb kbc kbi kbk kbn kbr kbs kbz kcb kcc kci kck kcn kcr kcs kib kic kii kik kin kir kis kiz kkb kkc kki kkk kkn kkr kks kky kn- knc kni knk knn knr krc kri krk krn krr krs kry ksb ksc ksi ksk ksn ksr kss kyc kyn kyr kys kyz kzy n-i nbb nbc nbi nbk nbn nbr nbs ncb ncc nci nck ncn ncr ncs nib nic nii nik nin nir nis niz nkc nki nkk nkn nkr nks nky nnb nnc nni nnk nnn nns nnz nrb nrc nri nrk nrn nrr nrs nry nrz nsb nsc nsi nsk nsn nsr nss nsy nsz nyc nyk nyn nys nyy nzb nzi nzs nzz rbb rbc rbi rbk rbn rbr rbs rcb rcc rci rcn rcr rcs rib ric rii rik rin rir ris riy riz rkb rkc rkk rks rky rkz rnb rnc rni rnn rnr rns rny rnz rrb rrc rri rrk rrn rrr rrs rsb rsc rsi rsk rsn rsr rss ry- ryc ryk ryn ryr rys ryy ryz rzb rzy sbb sbc sbi sbk sbn sbr sbs sby scb scc sci sck scn scr scs sib sic sii sik sin sir sis sk- skb skc ski skk skr sks sky snb snc sni snk snn snr sns sny sr- srb src sri srk srn srr srs sry ss- ssb ssc ssi ssk ssn ssr sss ssz sy- syb syc syi syk syn syr sys szi szr ybc ybi ybr ybs yby ybz ycc yci ycs ycy yii yin yir yis yiz yki ykk ykn ynk ynn yns yny yrc yrn yrs ysb ysc ysi ysk ysr yss ysy ysz yyb yyc yys yyy yyz yzb yzr yzy zbb zbc zbr zbs zby zcs zib zik zin zir zis ziz zks znc znn zns zrs zsi zsz zzr zzs zzy zzz