-ic b-u bbb bbc bbd bbi bbn bbr bbs bbu bcb bcc bcd bci bcn bcr bcs bcu bdb bdc bdd bdi bdr bds bdu bi- bib bic bid bii bin bir bis biu bnb bnc bnd bni bnn bnr bns bnu brb brd bri brn brr brs bru bsb bsc bsd bsi bsn bsr bss bsu bub buc bud bui bun bur bus buu c-- cbb cbc cbd cbi cbn cbr cbs cbu ccb ccc ccd cci ccn ccr ccs ccu cdb cdc cdd cdi cdn cdr cds cdu ci- cib cic cid cii cin cir cis ciu cn- cnb cnc cnd cni cnn cnr cns cnu crb crc crd cri crn crr crs cru csb csc csd csi csn csr css csu cub cuc cud cui cun cur cus cuu dbb dbc dbd dbi dbn dbr dbs dbu dcb dcc dcd dci dcn dcr dcs dcu ddb ddc ddd ddi ddn ddr dds ddu di- dib dic did dii din dir dis diu dnb dnc dnd dni dnn dnr dns drb drc drd dri drn drr drs dru dsb dsc dsd dsi dsn dsr dss dsu dub duc dud dui dun dur dus i-d ibb ibc ibd ibi ibn ibr ibs ibu icb icc icd ici icn icr ics icu idb idc idd idi idn idr ids idu iib iic iid iii iin iir iis iiu in- inb inc ind ini inn inr ins inu ir- irb irc ird iri irn irr irs iru is- isb isc isd isi isn isr iss isu iu- iub iuc iud iui iur ius n-i nbb nbc nbd nbi nbn nbr nbs nbu ncb ncc ncd nci ncn ncr ncs ncu ndb ndc ndd ndi ndn ndr nds ndu nib nic nid nii nin nir nis niu nnb nnc nni nnn nns nnu nrb nrc nrd nri nrn nrr nrs nru nsb nsc nsd nsi nsn nsr nss nsu nub nuc nud nui nun nur nus nuu rbb rbc rbd rbi rbn rbr rbs rbu rcb rcc rcd rci rcn rcr rcs rcu rdb rdc rdd rdi rdn rdr rds rdu rib ric rid rii rin rir ris rnb rnc rnd rni rnn rnr rns rnu rrb rrc rrd rri rrn rrr rrs rru rsb rsc rsd rsi rsn rsr rss rsu rub ruc rud rui run rur rus ruu sbb sbc sbd sbi sbn sbr sbs sbu scb scc scd sci scn scr scs scu sdb sdc sdd sdi sdn sdr sds sdu sib sic sid sii sin sir sis siu snb snc snd sni snn snr sns snu sr- srb src srd sri srn srr srs ss- ssb ssc ssd ssi ssn ssr sss ssu sub suc sud sui sun sur sus suu ubb ubc ubi ubn ubr ubs ubu ucb ucc ucd uci ucn ucr ucs ucu udb udc udd udi udn udr uds udu uib uic uid uii uin uir uis uiu un- unb unc und uni unn unr uns unu ur- urb urc urd uri urn urr urs uru usb usc usd usi usn usr uss usu uuc uun uur uus uuu

bbbb bbbs bbci bbdd bbin bbrc bcbc bcbs bccc bcci bccs bcds bcis bcnu bcrs bcru bcsc bcsn bcss bcuc bd-r bdbc bddc bdii bdin bdsd bibb bibi bibs bicc bici bics bidi bidr bids bidu biin biis bin- binc bind bini binn bins binu birb bird biri birn birr birs biru bis- bisc bisd biss bisu bnib bnin bnrr bnss brcb brds bric brid brin bris brns brrr brrs brsb brsr bruc brud brun brus bsbd bsci bscs bsic bsin bsnd bsns bsrd bssc bssd bubb bubi bubs bubu bucc buci bucs bucu budb budd budi buds budu buic buid buin buir buis buiu bunb bund buni bunn buns bunu bur- burb burd buri burn burr burs buru busc busi buss busu buus c-cd cbbc cbbs cbcc cbcn cbcr cbcs cbcu cbdb cbdc cbdi cbdn cbds cbid cbir cbnd cbrd cbrn cbsc cbsi cbsn cbus ccbc ccbn cccb cccc ccci cccs cccu ccdc ccdi ccdn ccdr ccds ccic ccid ccii ccir ccis ccnb ccnc ccni ccnr ccns ccnu ccrc ccri ccrs ccsd ccsi ccsn ccss ccuc ccus cd-r cdcs cddb cddr cdic cdii cdis cdnb cdnc cdrs cdss cibc cibi cicc cici cicr cics cicu cidc cidi cidr cids ciid ciii ciis cin- cinc cind cini cirb circ ciri cirr cirs cis- cisc cisd cisn cisr ciss ciuc cius cnbc cnci cndd cnib cnic cnid cnrc cnrr cnss crbc crbu crcc crcr crdc crib cric crin cris criu crns crss crub crud crun crus cscb cscc cscd csci cscr cscs csdb csdn csdr csib csid csir csis csrc csrd csrs cssd cssr csur csus cub- cubb cubi cubs cucc cuci cucn cudi cuds cui- cuin cuir cuis cund curb curd curi curn curr curs cusb cusd cuss cusu dbcc dbcs dbrn dbrs dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dcii dcis dcns dcsc dcss dddd ddrc ddss ddub dibb dibs dici didi dids didu diii diis din- dinc dini dinn dins dinu dird dirr dirs dis- disc disd disi diss dius dncs dnic dnis dnrc dnsc dnus drbc drib dric drin drrs drub drui drus druu dsbc dscc dscn dscr dscs dsdr dsrc dsri dsrr dssc dssi dssn dub- dubb dubc dubs dubu ducs dudd duds dudu duid duin duir duis dunc dunn duns duri durn duru dusi duur ibcs ibid ibis ibns ibrc ibrd ibri ibsn ibss ibus icbc icbd icbs iccb iccc icci iccn iccr iccs iccu icdc icdd icis icnb icnc icns icrc icrr icrs icru icsb icsc icsd icsi icsr icss icub icus idcr idic idid idin idir idis idrc idsc idss idub idun idus iicd iiii iiis iirc iirs iisc iisd iisi iisr iisu iiuc inbd incb incd inci incr incs ind- indc indi inds indu inid inis inni innr inns innu inri inrs insc inss insu inui inun inus ircc ircd ircs ircu irdc irds iri- iric irid irin iris irrc irri irrs irun irus