c-- ccc ccf ccm ccn cco ccr ccu cfc cff cfm cfn cfo cfr cfu cmc cmf cmm cmn cmo cmr cmu cn- cnc cnf cnm cnn cno cnr cnu co- coc cof com con coo cor cou crc crf crm crn cro crr cru cuc cuf cum cun cuo cur cuu fcc fcf fcm fcn fco fcr fcu ffc fff ffm ffn ffo ffr ffu fmc fmf fmm fmn fmo fmr fmu fnc fnf fnm fnn fnr fnu foc fof fom fon foo for fou frc frf frm frn fro frr fru fuf fum fun fuo fur fuu m-f m-o m-r mc- mcc mcf mcm mcn mco mcr mcu mfc mff mfm mfn mfo mfr mfu mmc mmf mmm mmn mmo mmr mmu mnc mnf mnm mnn mno mnr mnu moc mof mom mon moo mor mou mrc mrf mrm mrn mro mrr mru muc muf mum mun mur muu ncc ncf ncm ncn nco ncr ncu nfc nff nfn nfo nfr nfu nmc nmm nmn nmo nmr nmu nnc nnf nnm nnn nno nnu no- noc nof nom non noo nor nou nrc nrf nrm nrn nro nrr nru nuc num nun nuo nur nuu oc- occ ocf ocm ocn oco ocr ocu of- ofc off ofm ofn ofo ofr ofu om- omc omf omm omn omo omr omu on- onc onf onn ono onr onu oo- ooc oof oom oon ooo oor or- orc orf orm orn oro orr oru ou- ouc ouf oum oun ouo our rcc rcf rcm rcn rco rcr rcu rfc rff rfm rfn rfo rfr rfu rmc rmf rmm rmn rmo rmr rnc rnm rnn rno rnr rnu roc rof rom ron roo ror rou rrc rrf rrm rrn rrr rru ruc ruf rum run ruo rur ruu ucc ucf ucm ucn uco ucr ucu ufc uff ufm ufn ufo ufr ufu um- umc umf umm umn umo umr umu un- unc unf unm unn uno unr unu uoc uom uon uoo uor ur- urc urf urm urn uro urr uru uuc uum uun uur uuu