c-- ccc ccm cco ccr cct ccu cmc cmm cmo cmr cmt cmu cmy co- coc com coo cor cot cou coy crc crm cro crr crt cru cry ctc ctm cto ctr ctt ctu cty cuc cum cuo cur cut cuu cuy cyc cym cyo cyr cyt m-o m-r mc- mcc mcm mco mcr mct mcu mmc mmm mmo mmr mmt mmu moc mom moo mor mot mou moy mrc mrm mro mrr mrt mru mry mtc mtm mto mtr mtt mtu muc mum mur mut muu muy my- myc mym myo myr myt myu oc- occ ocm oco ocr oct ocu om- omc omm omo omr omt omu omy oo- ooc oom ooo oor oot or- orc orm oro orr ort oru ory ot- otc otm oto otr ott otu ou- ouc oum ouo our out oyo rcc rcm rco rcr rct rcu rmc rmm rmo rmr rmt roc rom roo ror rot rou roy rrc rrm rrr rrt rru rtc rtm rto rtr rtt rtu rty ruc rum ruo rur rut ruu ruy ry- ryc rym ryo ryr ryu ryy tcc tcm tco tcr tct tcu tmc tmm tmo tmr tmt tmu tmy to- toc tom too tor tot tou toy trc trm tro trr trt tru try ttc ttm tto ttr ttt ttu tty tuc tum tuo tur tut tuu tuy tyc tym tyo tyr tyt ucc ucm uco ucr uct ucu um- umc umm umo umr umt umu uoc uom uoo uor uot ur- urc urm uro urr urt uru ury utc utm uto utr utt utu uty uuc uum uur uut uuu uyc uyo uyu ycc yco ycu ycy ymc ymm ymo ymt yoc yom yoo yor yot you yoy yrc yro yrt yru ytc ytm yto ytr ytt ytu yum yuo yur yut yuu yuy yyc yyt yyu yyy