-ic bbb bbc bbd bbg bbi bbk bbm bbn bbo bbr bbs bcb bcc bcd bcg bci bck bcm bcn bco bcr bcs bdb bdc bdd bdg bdi bdk bdm bdo bdr bds bgb bgc bgd bgg bgi bgk bgm bgn bgo bgr bgs bi- bib bic bid big bii bik bim bin bio bir bis bkb bkc bkg bkk bkm bkn bko bkr bks bmb bmc bmd bmg bmi bmk bmm bmn bmo bmr bms bnb bnc bnd bng bni bnk bnn bno bnr bns bob boc bod bog boi bok bom bon boo bor bos brb brd brg bri brk brm brn bro brr brs bsb bsc bsd bsg bsi bsk bsm bsn bso bsr bss c-- cbb cbc cbd cbg cbi cbk cbm cbn cbo cbr cbs ccb ccc ccd ccg cci cck ccm ccn cco ccr ccs cdb cdc cdd cdg cdi cdk cdm cdn cdo cdr cds cgb cgc cgd cgg cgi cgm cgn cgo cgr cgs ci- cib cic cid cig cii cik cim cin cio cir cis ckb ckc ckd cki ckm cko cks cmb cmc cmd cmg cmi cmk cmm cmn cmo cmr cms cn- cnb cnc cnd cng cni cnm cnn cno cnr cns co- cob coc cod cog coi cok com con coo cor cos crb crc crd crg cri crk crm crn cro crr crs csb csc csd csg csi csk csm csn cso csr css dbb dbc dbd dbg dbi dbk dbm dbn dbo dbr dbs dcb dcc dcd dcg dci dck dcm dcn dco dcr dcs ddb ddc ddd ddg ddi ddk ddm ddn ddo ddr dds dgc dgd dgg dgi dgk dgm dgn dgr dgs di- dib dic did dig dii dik dim din dio dir dis dkb dkc dkg dki dkk dkm dko dkr dks dmb dmc dmd dmg dmi dmk dmm dmn dmo dmr dms dnb dnc dnd dng dni dnk dnm dnn dno dnr dns dob doc dod dog doi dok dom don doo dor dos drb drc drd drg dri drk drm drn dro drr drs dsb dsc dsd dsg dsi dsk dsm dsn dso dsr dss g-d gbc gbd gbg gbi gbk gbm gbn gbo gbr gbs gcb gcc gcd gcg gci gck gcm gcn gco gcr gcs gdb gdc gdd gdi gdk gdm gdn gdo gdr gds ggb ggc ggd ggg ggi ggm ggn ggo ggr ggs gib gic gid gig gii gik gim gin gio gir gis gkb gkd gkm gkn gko gks gmb gmc gmd gmg gmi gmm gmn gmo gmr gms gnb gnc gnd gni gnm gnn gno gnr gns gob goc god gog goi gok gom gon goo gor gos grb grc grd grg gri grk grm grn gro grr grs gsb gsc gsd gsg gsi gsk gsm gsn gso gsr gss i-d ibb ibc ibd ibg ibi ibk ibm ibn ibo ibr ibs icb icc icd icg ici ick icm icn ico icr ics idb idc idd idg idi idk idm idn ido idr ids igb igc igd igg igi igk igm ign igo igr igs iib iic iid iii iim iin iio iir iis ikb ikc iki ikk iko ikr iks im- imb imc imd img imi imm imn imo ims in- inb inc ind ing ini ink inm inn ino inr ins io- iob ioc iod iog ioi iom ion ioo ior ios ir- irb irc ird irg iri irk irm irn iro irr irs is- isb isc isd isg isi isk ism isn iso isr iss kbb kbc kbd kbi kbk kbm kbn kbo kbr kbs kcb kcc kcd kcg kci kck kcm kcn kcr kcs kdb kdc kdg kdk kdm kdo kdr kds kgb kgc kgd kgi kgm kgo kgs kib kic kid kig kii kik kim kin kio kir kis kkb kkc kki kkk kkm kkn kkr kks kmb kmc kmd kmg kmi kmk kmm kmo kms kn- knc knd kng kni knk knm knn kno knr kob koc kod kog koi kok kom kon koo kor kos krc krd krg kri krk krn kro krr krs ksb ksc ksd ksg ksi ksk ksm ksn kso ksr kss m-o m-r mbb mbc mbd mbg mbi mbk mbm mbo mbr mbs mc- mcb mcc mcd mcg mci mck mcm mcn mco mcr mcs mdb mdc mdd mdg mdi mdk mdm mdn mdo mdr mds mgb mgc mgd mgi mgk mgm mgn mgo mgr mgs mi- mib mic mid mig mii mik mim min mio mir mis mkb mkc mkd mkg mkk mkm mkn mko mkr mks mmb mmc mmd mmg mmi mmk mmm mmn mmo mmr mms mnb mnc mng mni mnk mnm mnn mno mnr mns mob moc mod mog moi mok mom mon moo mor mos mrb mrc mrd mrg mri mrk mrm mrn mro mrr mrs msb msc msd msg msi msk msm msn mso msr mss n-i nbb nbc nbd nbg nbi nbk nbm nbn nbo nbr nbs ncb ncc ncd ncg nci nck ncm ncn nco ncr ncs ndb ndc ndd ndg ndi ndk ndm ndn ndo ndr nds ngb ngc ngd ngg ngi ngk ngm ngn ngo ngs nib nic nid nig nii nik nim nin nio nir nis nkc nki nkk nkm nkn nko nkr nks nmb nmc nmd nmg nmi nmk nmm nmn nmo nmr nms nnb nnc nng nni nnk nnm nnn nno nns no- nob noc nod nog noi nok nom non noo nor nos nrb nrc nrd nrg nri nrk nrm nrn nro nrr nrs nsb nsc nsd nsg nsi nsk nsm nsn nso nsr nss o-i ob- obb obc obd obg obi obk obm obn obo obr obs oc- ocb occ ocd ocg oci ock ocm ocn oco ocr ocs odb odc odd odg odi odm odn odo odr ods ogc ogd ogg ogi ogn ogo ogs oib oic oid oii oik oim oin oio oir ois okb okc okd okg oki okk oko okr oks om- omb omc omd omg omi omm omn omo omr oms on- onb