-ic bbb bbc bbd bbi bbn bbo bbs bbt bcb bcc bcd bci bcn bco bcs bct bdb bdc bdd bdi bdo bds bdt bi- bib bic bid bii bin bio bis bit bnb bnc bnd bni bnn bno bns bnt bob boc bod boi bon boo bos bot bsb bsc bsd bsi bsn bso bss bst btb btc btd bti btn bto bts btt c-- cbb cbc cbd cbi cbn cbo cbs cbt ccb ccc ccd cci ccn cco ccs cct cdb cdc cdd cdi cdn cdo cds cdt ci- cib cic cid cii cin cio cis cit cn- cnb cnc cnd cni cnn cno cns cnt co- cob coc cod coi con coo cos cot csb csc csd csi csn cso css cst ctb ctc ctd cti ctn cto cts ctt dbb dbc dbd dbi dbn dbo dbs dbt dcb dcc dcd dci dcn dco dcs dct ddb ddc ddd ddi ddn ddo dds ddt di- dib dic did dii din dio dis dit dnb dnc dnd dni dnn dno dns dnt dob doc dod doi don doo dos dot dsb dsc dsd dsi dsn dso dss dst dtb dtc dtd dti dtn dto dts dtt i-d ibb ibc ibd ibi ibn ibo ibs ibt icb icc icd ici icn ico ics ict idb idc idd idi idn ido ids idt iib iic iid iii iin iio iis iit in- inb inc ind ini inn ino ins int io- iob ioc iod ioi ion ioo ios iot is- isb isc isd isi isn iso iss ist itb itc itd iti itn ito its itt n-i nbb nbc nbd nbi nbn nbo nbs nbt ncb ncc ncd nci ncn nco ncs nct ndb ndc ndd ndi ndn ndo nds ndt nib nic nid nii nin nio nis nit nnb nnc nni nnn nno nns nnt no- nob noc nod noi non noo nos not nsb nsc nsd nsi nsn nso nss nst ntb ntc ntd nti ntn nto nts ntt o-i ob- obb obc obd obi obn obo obs obt oc- ocb occ ocd oci ocn oco ocs oct odb odc odd odi odn odo ods odt oib oic oid oii oin oio ois oit on- onb onc ond oni onn ono ons ont oo- oob ooc ood ooi oon ooo oos oot os- osb osc osd osi osn oso oss ost ot- otb otc otd oti otn oto ots ott sbb sbc sbd sbi sbn sbo sbs sbt scb scc scd sci scn sco scs sct sdb sdc sdd sdi sdn sdo sds sdt sib sic sid sii sin sio sis sit snb snc snd sni snn sno sns snt sob soc sod soi son soo sos sot ss- ssb ssc ssd ssi ssn sso sss sst stb stc std sti stn sto sts stt tbb tbc tbd tbi tbn tbo tbs tbt tcb tcc tcd tci tcn tco tcs tct tdb tdc tdd tdi tdn tdo tds tdt tib tic tid tii tin tio tis tit tnb tnc tnd tni tnn tno tns tnt to- tob toc tod toi ton too tos tot tsb tsc tsd tsi tsn tso tss tst ttb ttc ttd tti ttn tto tts ttt

bbbb bbbs bbci bbdd bbdo bbin bcbc bcbs bccc bcci bccs bcds bcis bcit bcos bcsc bcsn bcss bctc bcts bdbc bddc bdii bdin bdos bdsd bibb bibi bibo bibs bicc bici bico bics bidi bido bids biin biis bin- binc bind bini binn bino bins bint bio- bioc bioi bion bios biot bis- bisc bisd biso biss bist bitc bitd bito bits bitt bnib bnin bnoc bnss bobb bobi bobo bobs boco bocs bodb bodi bodo bods boi- boid boii boin bois boit bonc bond boni bonn bono bons bont boob booc bood boon boos boot bosc bosi bosn boso boss bost botb botd boti botn boto bots bott bsbd bsci bscs bsic bsin bsnd bsns bsod bson bsos bssc bssd bsts btcc btcs btdt btob btss bttb c-bo c-cd cbbc cbbs cbcc cbcn cbcs cbct cbdb cbdc cbdi cbdn cbdo cbds cbid cbit cbnd cbot cbsc cbsi cbsn cbtc ccbc ccbn cccb cccc ccci cccs ccdc ccdi ccdn ccds ccic ccid ccii ccis ccnb ccnc ccni ccns ccob ccoc ccod ccsd ccsi ccsn ccss ccst cctb cctc cctt cdcs cddb cdic cdii cdio cdis cdnb cdnc cdon cdos cdot cdss cibc cibi cibo cicc cici cico cics cict cidc cidi cids cidt ciid ciii ciis ciit cin- cinc cind cini cino cint ciob cion cios cis- cisc cisd cisn ciss cist citb citi cito cits citt cnbc cnci cnco cndd cnib cnic cnid cnss cntc cobb cobi cobo cobs coco coct codd codi cods coin cois coit con- conc cond coni conn cono cons cont coob cood coon coos coot cosc cosi coso coss cost cotb cotc coti cotn coto cots cott cscb cscc cscd csci csco cscs csdb csdn csib csid csio csis csit csob csos csot cssd cstc cstd csto csts ctbi ctbs ctic ctns ctos ctot ctsc ctsn ctss cttn ctts d-bo dbcc dbcs dbit dbos dbss dbtt dcbc dccb dccc dcci dccs dcct dcdb dcds dcii dcio dcis dcns dcon dcos dcsc dcss dctc dcts dddd ddoc ddot ddss ddts dibb dibo dibs dici dico dict didi dido dids diii diis din- dinc dini dinn dino dins dint dioc dion dios diot dis- disc disd disi diso diss dist diti dito dits ditt dncs dnic dnis dnoc dnsc dntt dobb dobi dobs doci doco docs doct dod- dodd dodi dodo dods doid doin dois doit donc dond doni donn dono dons dont doob dood doon doos doot dosi doso doss dost dotd doti doto dots dott dsbc dscc dscn dscs dsos dssc dssi dssn dsst dstc dstn dsto dsts dtcc dtnb dtot dtss i-no ibcs ibdo ibid ibis ibns ibon ibos ibot ibsn ibss ibtb ibtc ibts icbc icbd icbs iccb iccc icci iccn icco iccs icct icdc icdd icis icnb icnc icns icoc icod icon icos icsb icsc icsd icsi icss