-ic bbb bbc bbi bbk bbn bbr bbs bcb bcc bci bck bcn bcr bcs bi- bib bic bii bik bin bir bis bkb bkc bkk bkn bkr bks bnb bnc bni bnk bnn bnr bns brb bri brk brn brr brs bsb bsc bsi bsk bsn bsr bss c-- cbb cbc cbi cbk cbn cbr cbs ccb ccc cci cck ccn ccr ccs ci- cib cic cii cik cin cir cis ckb ckc cki cks cn- cnb cnc cni cnn cnr cns crb crc cri crk crn crr crs csb csc csi csk csn csr css ibb ibc ibi ibk ibn ibr ibs icb icc ici ick icn icr ics iib iic iii iin iir iis ikb ikc iki ikk ikr iks in- inb inc ini ink inn inr ins ir- irb irc iri irk irn irr irs is- isb isc isi isk isn isr iss kbb kbc kbi kbk kbn kbr kbs kcb kcc kci kck kcn kcr kcs kib kic kii kik kin kir kis kkb kkc kki kkk kkn kkr kks kn- knc kni knk knn knr krc kri krk krn krr krs ksb ksc ksi ksk ksn ksr kss n-i nbb nbc nbi nbk nbn nbr nbs ncb ncc nci nck ncn ncr ncs nib nic nii nik nin nir nis nkc nki nkk nkn nkr nks nnb nnc nni nnk nnn nns nrb nrc nri nrk nrn nrr nrs nsb nsc nsi nsk nsn nsr nss rbb rbc rbi rbk rbn rbr rbs rcb rcc rci rcn rcr rcs rib ric rii rik rin rir ris rkb rkc rkk rks rnb rnc rni rnn rnr rns rrb rrc rri rrk rrn rrr rrs rsb rsc rsi rsk rsn rsr rss sbb sbc sbi sbk sbn sbr sbs scb scc sci sck scn scr scs sib sic sii sik sin sir sis sk- skb skc ski skk skr sks snb snc sni snk snn snr sns sr- srb src sri srk srn srr srs ss- ssb ssc ssi ssk ssn ssr sss

-nik bbbb bbbs bbci bbin bbrc bcbc bcbs bccc bcci bccs bcis bcrs bcsc bcsn bcss bibb bibi bibs bicc bici bick bics biin biis bin- binc bini bink binn bins birb biri birk birn birr birs bis- bisc bisk biss bnib bnin bnrr bnss brcb bric brik brin bris brkb brns brrr brrs brsb brsr bsci bscs bsic bsin bsns bssc cbbc cbbs cbcc cbcn cbcr cbcs cbir cbkn cbkr cbrn cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccs ccic ccii ccir ccis ccnb ccnc ccni ccnr ccns ccrc ccri ccrs ccsi ccsn ccss cibc cibi cicc cici cicr cics ciii ciis cikr cin- cinc cini cink cirb circ ciri cirk cirr cirs cis- cisc cisk cisn cisr ciss ckbc ckbi ckck ckcs ckin cknb cknc ckns ckrc cksb cnbc cnci cnib cnic cnki cnrc cnrr cnss crbc crcc crcr crib cric crik crin cris crkc crns crss cscb cscc csci cscr cscs csib csik csir csis csks csrc csrs cssr ibcs ibis ibns ibrc ibri ibsn ibss icbc icbs iccb iccc icci iccn iccr iccs icis icks icnb icnc icns icrc icrr icrs icsb icsc icsi icsr icss iiii iiis iirc iirs iisc iisi iisr ikin ikki ikri incb inci incr incs inis inki inks inni innr inns inri inrs insc inss ircc ircs iri- iric irin iris irki irks irrc irri irrs isbn iscc isci iscn iscr iscs isic isin isis isri issc issi issr isss k-ci kbbb kbbc kbbi kbbk kbbr kbbs kbcb kbci kbck kbcr kbcs kbib kbic kbik kbis kbkb kbkk kbkr kbnn kbnr kbrb kbrc kbri kbrk kbrn kbsb kbsi kbsk kbsn kbsr kbss kcbc kcbi kcbk kcbr kcbs kccb kccc kcci kcck kccr kcic kcii kcin kcir kcis kckc kckk kckn kckr kcnb kcni kcnr kcns kcrc kcri kcrn kcrr kcrs kcsb kcsc kcsi kcsn kcsr kcss kibb kibc kibi kibr kibs kicb kicc kick kicr kics kiic kiii kiik kiis kikc kiki kikk kikr kin- kinb kinc kini kink kinn kins kirb kirc kiri kirk kirn kirr kirs kisc kisi kisk kisn kisr kiss kkbb kkbi kkbn kkbr kkbs kkcb kkci kkck kkcn kkcr kkcs kkic kkik kkin kkkk kknb kkni kknn kkns kkrb kkrc kkrk kkrn kkrr kkrs kksi kksn kksr kkss knbb knbc knbn knbr kncb knci knck kncn kncr knib knic knik knin knir knis knki knkk knnb knnk knnr knns knrb knrk knrs knsb knsc knsi knsk knsn knsr knss krbb krbi krbk krbr krcb krcc krci krcn krcs krib krik krin kris krkc krki krkk krkn krkr krks krnb krni krnk krnn krrb krrc krri krrk krrn krrr krrs krsc krsk krsn krsr krss ksbc ksbi ksbn ksbr ksbs kscb ksci ksck kscn kscr kscs ksib ksii ksik ksir ksis kskb kskk kskn kskr ksks ksnb ksnc ksnk ksnn ksnr ksns ksrb ksrn ksrr ksrs kssi kssn kssr ksss n-ii nbbc nbcc nbci nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccr nccs ncis ncnc ncrc ncri ncsc ncsi ncss nibi nibs nicc nici nick nics niir nikc niki niks nini nins nirs nisi niss nnnn nnss nrcs nric nrrc nrsc nscc nscs nsic nsin nsis nskk nsnr nsrc nssb nssc nssr nsss rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcic rcis rcnr rcsc rcsi rcss rib- ribs ricc rick rics riin riis riki rikk rink rinn riri rirs risc risi risk riss rkss rnbr rncs rnin rrrr rsbi rscc rscn rscs rsis rsnn rsnr s-ib s-ic s-ii sbbs sbcc sbcs sbic sbrk sbsi scbi sccc sccs sci- scic scin scir scis sck- scnr scr- scrc scri scrn scrs scsc scsi scsn scsr sibc sibi sibs sicc sici sick sics siik siki sikr siks sini sink sinn sins sirc siri sirk sirr sirs sisc sisi sisk siss skic skik skin skir skis skn- skss sncc snib snir snns snrk snrs srbc srcc srib sris srni srnn ssbn ssbr sscc ssci sscs ssin ssis ssns ssrc ssri ssrs sssb sssc sssi ssss

b-r-k bbsrc bibbs bibic bibin