-ic bbb bbc bbf bbi bbm bbo bbr bby bcb bcc bcf bci bcm bco bcr bcy bfb bfc bff bfi bfm bfo bfr bfy bi- bib bic bif bii bim bio bir biy bmb bmc bmf bmi bmm bmo bmr bob boc bof boi bom boo bor boy brb brf bri brm bro brr bry by- byc byf byi bym byo byr c-- cbb cbc cbf cbi cbm cbo cbr cby ccb ccc ccf cci ccm cco ccr cfb cfc cff cfi cfm cfo cfr ci- cib cic cif cii cim cio cir cmb cmc cmf cmi cmm cmo cmr cmy co- cob coc cof coi com coo cor coy crb crc crf cri crm cro crr cry cyb cyc cyf cym cyo cyr fbb fbc fbf fbi fbm fbo fbr fcb fcc fcf fci fcm fco fcr fcy ffc fff ffi ffm ffo ffr ffy fib fic fif fii fim fir fmb fmc fmf fmi fmm fmo fmr fob foc fof foi fom foo for foy frb frc frf fri frm fro frr fry fy- fyb fyc fyi fyo i-f ibb ibc ibf ibi ibm ibo ibr iby icb icc icf ici icm ico icr icy ifb ifc iff ifi ifm ifo ifr ify iib iic iif iii iim iio iir im- imb imc imf imi imm imo imy io- iob ioc iof ioi iom ioo ior ir- irb irc irf iri irm iro irr iry iyc iym iyo iyr iyy m-f m-o m-r mbb mbc mbf mbi mbm mbo mbr mc- mcb mcc mcf mci mcm mco mcr mfb mfc mff mfi mfm mfo mfr mfy mi- mib mic mif mii mim mio mir miy mmb mmc mmf mmi mmm mmo mmr mob moc mof moi mom moo mor moy mrb mrc mrf mri mrm mro mrr mry my- myb myc myf mym myo myr o-i ob- obb obc obf obi obm obo obr oby oc- ocb occ ocf oci ocm oco ocr of- ofb ofc off ofi ofm ofo ofr oib oic oif oii oim oio oir om- omb omc omf omi omm omo omr omy oo- oob ooc oof ooi oom ooo oor or- orb orc orf ori orm oro orr ory oyi oyo rbb rbc rbf rbi rbm rbo rbr rcb rcc rcf rci rcm rco rcr rfb rfc rff rfi rfm rfo rfr rib ric rif rii rim rio rir riy rmb rmc rmf rmi rmm rmo rmr rob roc rof roi rom roo ror roy rrb rrc rrf rri rrm rrr ry- ryc ryf rym ryo ryr ryy ybc ybf ybi ybm ybr yby ycc ycf yci yco ycy yfc yff yfm yfr yif yii yim yio yir ymc ymi ymm ymo yob yoc yof yoi yom yoo yor yoy yrc yrf yro yyb yyc yyf yyy