-ic bbb bbc bbg bbi bbm bbo bbr bby bcb bcc bcg bci bcm bco bcr bcy bgb bgc bgg bgi bgm bgo bgr bi- bib bic big bii bim bio bir biy bmb bmc bmg bmi bmm bmo bmr bob boc bog boi bom boo bor boy brb brg bri brm bro brr bry by- byc byg byi bym byo byr c-- cbb cbc cbg cbi cbm cbo cbr cby ccb ccc ccg cci ccm cco ccr cgb cgc cgg cgi cgm cgo cgr cgy ci- cib cic cig cii cim cio cir cmb cmc cmg cmi cmm cmo cmr cmy co- cob coc cog coi com coo cor coy crb crc crg cri crm cro crr cry cyb cyc cyg cym cyo cyr gbc gbg gbi gbm gbo gbr gby gcb gcc gcg gci gcm gco gcr ggb ggc ggg ggi ggm ggo ggr gib gic gig gii gim gio gir giy gmb gmc gmg gmi gmm gmo gmr gmy gob goc gog goi gom goo gor goy grb grc grg gri grm gro grr gry gy- gyb gym gyo gyr ibb ibc ibg ibi ibm ibo ibr iby icb icc icg ici icm ico icr icy igb igc igg igi igm igo igr igy iib iic iii iim iio iir im- imb imc img imi imm imo imy io- iob ioc iog ioi iom ioo ior ir- irb irc irg iri irm iro irr iry iyc iym iyo iyr iyy m-o m-r mbb mbc mbg mbi mbm mbo mbr mc- mcb mcc mcg mci mcm mco mcr mgb mgc mgi mgm mgo mgr mgy mi- mib mic mig mii mim mio mir miy mmb mmc mmg mmi mmm mmo mmr mob moc mog moi mom moo mor moy mrb mrc mrg mri mrm mro mrr mry my- myb myc myg mym myo myr o-i ob- obb obc obg obi obm obo obr oby oc- ocb occ ocg oci ocm oco ocr ogc ogg ogi ogo ogy oib oic oii oim oio oir om- omb omc omg omi omm omo omr omy oo- oob ooc oog ooi oom ooo oor or- orb orc org ori orm oro orr ory oyi oyo rbb rbc rbg rbi rbm rbo rbr rcb rcc rcg rci rcm rco rcr rgb rgc rgg rgi rgo rgr rib ric rig rii rim rio rir riy rmb rmc rmg rmi rmm rmo rmr rob roc rog roi rom roo ror roy rrb rrc rrg rri rrm rrr ry- ryc ryg rym ryo ryr ryy ybc ybg ybi ybm ybr yby ycc yci yco ycy ygc ygm ygo yig yii yim yio yir ymc ymg ymi ymm ymo yob yoc yog yoi yom yoo yor yoy yrc yrg yro yyb yyc yyg yyy