-ic b-u bbb bbc bbf bbi bbm bbo bbr bbu bcb bcc bcf bci bcm bco bcr bcu bfb bfc bff bfi bfm bfo bfr bfu bi- bib bic bif bii bim bio bir biu bmb bmc bmf bmi bmm bmo bmr bmu bob boc bof boi bom boo bor bou brb brf bri brm bro brr bru bub buc buf bui bum buo bur buu c-- cbb cbc cbf cbi cbm cbo cbr cbu ccb ccc ccf cci ccm cco ccr ccu cfb cfc cff cfi cfm cfo cfr cfu ci- cib cic cif cii cim cio cir ciu cmb cmc cmf cmi cmm cmo cmr cmu co- cob coc cof coi com coo cor cou crb crc crf cri crm cro crr cru cub cuc cuf cui cum cuo cur cuu fbb fbc fbf fbi fbm fbo fbr fbu fcb fcc fcf fci fcm fco fcr fcu ffc fff ffi ffm ffo ffr ffu fib fic fif fii fim fir fiu fmb fmc fmf fmi fmm fmo fmr fmu fob foc fof foi fom foo for fou frb frc frf fri frm fro frr fru fub fuf fui fum fuo fur fuu i-f ibb ibc ibf ibi ibm ibo ibr ibu icb icc icf ici icm ico icr icu ifb ifc iff ifi ifm ifo ifr ifu iib iic iif iii iim iio iir iiu im- imb imc imf imi imm imo imu io- iob ioc iof ioi iom ioo ior iou ir- irb irc irf iri irm iro irr iru iu- iub iuc iui ium iur m-f m-o m-r mbb mbc mbf mbi mbm mbo mbr mbu mc- mcb mcc mcf mci mcm mco mcr mcu mfb mfc mff mfi mfm mfo mfr mfu mi- mib mic mif mii mim mio mir miu mmb mmc mmf mmi mmm mmo mmr mmu mob moc mof moi mom moo mor mou mrb mrc mrf mri mrm mro mrr mru mub muc muf mui mum mur muu o-i ob- obb obc obf obi obm obo obr obu oc- ocb occ ocf oci ocm oco ocr ocu of- ofb ofc off ofi ofm ofo ofr ofu oib oic oif oii oim oio oir oiu om- omb omc omf omi omm omo omr omu oo- oob ooc oof ooi oom ooo oor or- orb orc orf ori orm oro orr oru ou- ouc ouf oui oum ouo our rbb rbc rbf rbi rbm rbo rbr rbu rcb rcc rcf rci rcm rco rcr rcu rfb rfc rff rfi rfm rfo rfr rfu rib ric rif rii rim rio rir rmb rmc rmf rmi rmm rmo rmr rob roc rof roi rom roo ror rou rrb rrc rrf rri rrm rrr rru rub ruc ruf rui rum ruo rur ruu ubb ubc ubf ubi ubo ubr ubu ucb ucc ucf uci ucm uco ucr ucu ufc uff ufi ufm ufo ufr ufu uib uic uif uii uim uio uir uiu um- umb umc umf umi umm umo umr umu uob uoc uom uoo uor ur- urb urc urf uri urm uro urr uru uuc uum uur uuu