-ic bbb bbc bbd bbg bbi bbn bbo bbt bcb bcc bcd bcg bci bcn bco bct bdb bdc bdd bdg bdi bdo bdt bgb bgc bgd bgg bgi bgn bgo bgt bi- bib bic bid big bii bin bio bit bnb bnc bnd bng bni bnn bno bnt bob boc bod bog boi bon boo bot btb btc btd btg bti btn bto btt c-- cbb cbc cbd cbg cbi cbn cbo cbt ccb ccc ccd ccg cci ccn cco cct cdb cdc cdd cdg cdi cdn cdo cdt cgb cgc cgd cgg cgi cgn cgo cgt ci- cib cic cid cig cii cin cio cit cn- cnb cnc cnd cng cni cnn cno cnt co- cob coc cod cog coi con coo cot ctb ctc ctd ctg cti ctn cto ctt dbb dbc dbd dbg dbi dbn dbo dbt dcb dcc dcd dcg dci dcn dco dct ddb ddc ddd ddg ddi ddn ddo ddt dgc dgd dgg dgi dgn dgt di- dib dic did dig dii din dio dit dnb dnc dnd dng dni dnn dno dnt dob doc dod dog doi don doo dot dtb dtc dtd dtg dti dtn dto dtt g-d gbc gbd gbg gbi gbn gbo gbt gcb gcc gcd gcg gci gcn gco gct gdb gdc gdd gdi gdn gdo gdt ggb ggc ggd ggg ggi ggn ggo ggt gib gic gid gig gii gin gio git gnb gnc gnd gni gnn gno gnt gob goc god gog goi gon goo got gtb gtc gtd gtg gti gtn gto gtt i-d ibb ibc ibd ibg ibi ibn ibo ibt icb icc icd icg ici icn ico ict idb idc idd idg idi idn ido idt igb igc igd igg igi ign igo igt iib iic iid iii iin iio iit in- inb inc ind ing ini inn ino int io- iob ioc iod iog ioi ion ioo iot itb itc itd itg iti itn ito itt n-i nbb nbc nbd nbg nbi nbn nbo nbt ncb ncc ncd ncg nci ncn nco nct ndb ndc ndd ndg ndi ndn ndo ndt ngb ngc ngd ngg ngi ngn ngo ngt nib nic nid nig nii nin nio nit nnb nnc nng nni nnn nno nnt no- nob noc nod nog noi non noo not ntb ntc ntd ntg nti ntn nto ntt o-i ob- obb obc obd obg obi obn obo obt oc- ocb occ ocd ocg oci ocn oco oct odb odc odd odg odi odn odo odt ogc ogd ogg ogi ogn ogo ogt oib oic oid oii oin oio oit on- onb onc ond ong oni onn ono ont oo- oob ooc ood oog ooi oon ooo oot ot- otb otc otd otg oti otn oto ott tbb tbc tbd tbg tbi tbn tbo tbt tcb tcc tcd tcg tci tcn tco tct tdb tdc tdd tdg tdi tdn tdo tdt tgb tgc tgg tgi tgn tgo tgt tib tic tid tig tii tin tio tit tnb tnc tnd tng tni tnn tno tnt to- tob toc tod tog toi ton too tot ttb ttc ttd ttg tti ttn tto ttt