-ic bbb bbc bbd bbg bbi bbk bbn bbo bcb bcc bcd bcg bci bck bcn bco bdb bdc bdd bdg bdi bdk bdo bgb bgc bgd bgg bgi bgk bgn bgo bi- bib bic bid big bii bik bin bio bkb bkc bkg bkk bkn bko bnb bnc bnd bng bni bnk bnn bno bob boc bod bog boi bok bon boo c-- cbb cbc cbd cbg cbi cbk cbn cbo ccb ccc ccd ccg cci cck ccn cco cdb cdc cdd cdg cdi cdk cdn cdo cgb cgc cgd cgg cgi cgn cgo ci- cib cic cid cig cii cik cin cio ckb ckc ckd cki cko cn- cnb cnc cnd cng cni cnn cno co- cob coc cod cog coi cok con coo dbb dbc dbd dbg dbi dbk dbn dbo dcb dcc dcd dcg dci dck dcn dco ddb ddc ddd ddg ddi ddk ddn ddo dgc dgd dgg dgi dgk dgn di- dib dic did dig dii dik din dio dkb dkc dkg dki dkk dko dnb dnc dnd dng dni dnk dnn dno dob doc dod dog doi dok don doo g-d gbc gbd gbg gbi gbk gbn gbo gcb gcc gcd gcg gci gck gcn gco gdb gdc gdd gdi gdk gdn gdo ggb ggc ggd ggg ggi ggn ggo gib gic gid gig gii gik gin gio gkb gkd gkn gko gnb gnc gnd gni gnn gno gob goc god gog goi gok gon goo i-d ibb ibc ibd ibg ibi ibk ibn ibo icb icc icd icg ici ick icn ico idb idc idd idg idi idk idn ido igb igc igd igg igi igk ign igo iib iic iid iii iin iio ikb ikc iki ikk iko in- inb inc ind ing ini ink inn ino io- iob ioc iod iog ioi ion ioo kbb kbc kbd kbi kbk kbn kbo kcb kcc kcd kcg kci kck kcn kdb kdc kdg kdk kdo kgb kgc kgd kgi kgo kib kic kid kig kii kik kin kio kkb kkc kki kkk kkn kn- knc knd kng kni knk knn kno kob koc kod kog koi kok kon koo n-i nbb nbc nbd nbg nbi nbk nbn nbo ncb ncc ncd ncg nci nck ncn nco ndb ndc ndd ndg ndi ndk ndn ndo ngb ngc ngd ngg ngi ngk ngn ngo nib nic nid nig nii nik nin nio nkc nki nkk nkn nko nnb nnc nng nni nnk nnn nno no- nob noc nod nog noi nok non noo o-i ob- obb obc obd obg obi obk obn obo oc- ocb occ ocd ocg oci ock ocn oco odb odc odd odg odi odn odo ogc ogd ogg ogi ogn ogo oib oic oid oii oik oin oio okb okc okd okg oki okk oko on- onb onc ond ong oni onk onn ono oo- oob ooc ood oog ooi ook oon ooo