c-- ccc ccd cck ccm cco ccr cct ccu cdc cdd cdk cdm cdo cdr cdt cdu ckc ckd ckm cko ckt cmc cmd cmk cmm cmo cmr cmt cmu co- coc cod cok com coo cor cot cou crc crd crk crm cro crr crt cru ctc ctd ctk ctm cto ctr ctt ctu cuc cud cuk cum cuo cur cut cuu dcc dcd dck dcm dco dcr dct dcu ddc ddd ddk ddm ddo ddr ddt ddu dkc dkk dkm dko dkr dkt dku dmc dmd dmk dmm dmo dmr dmt dmu doc dod dok dom doo dor dot dou drc drd drk drm dro drr drt dru dtc dtd dtk dtm dto dtr dtt dtu duc dud duk dum duo dur dut k-t kcc kcd kck kcm kcr kct kcu kdc kdk kdm kdo kdr kdt kdu kkc kkk kkm kkr kkt kku kmc kmd kmk kmm kmo kmt kmu koc kod kok kom koo kor kot kou krc krd krk kro krr krt kru ktc ktk ktm kto ktr ktt ktu kuc kud kuk kum kur kut kuu m-o m-r mc- mcc mcd mck mcm mco mcr mct mcu mdc mdd mdk mdm mdo mdr mdt mdu mkc mkd mkk mkm mko mkr mkt mku mmc mmd mmk mmm mmo mmr mmt mmu moc mod mok mom moo mor mot mou mrc mrd mrk mrm mro mrr mrt mru mtc mtd mtk mtm mto mtr mtt mtu muc mud muk mum mur mut muu oc- occ ocd ock ocm oco ocr oct ocu odc odd odm odo odr odt odu okc okd okk oko okr oku om- omc omd omm omo omr omt omu oo- ooc ood ook oom ooo oor oot or- orc ord ork orm oro orr ort oru ot- otc otd otk otm oto otr ott otu ou- ouc oud ouk oum ouo our out rcc rcd rcm rco rcr rct rcu rdc rdd rdm rdo rdr rdt rdu rkc rkk rkm rko rkt rku rmc rmd rmm rmo rmr rmt roc rod rok rom roo ror rot rou rrc rrd rrk rrm rrr rrt rru rtc rtd rtk rtm rto rtr rtt rtu ruc rud ruk rum ruo rur rut ruu tcc tcd tck tcm tco tcr tct tcu tdc tdd tdk tdm tdo tdr tdt tdu tkc tkk tkm tko tkr tkt tmc tmd tmk tmm tmo tmr tmt tmu to- toc tod tok tom too tor tot tou trc trd trk trm tro trr trt tru ttc ttd ttk ttm tto ttr ttt ttu tuc tud tuk tum tuo tur tut tuu ucc ucd uck ucm uco ucr uct ucu udc udd udk udm udo udr udt udu ukc ukk ukr uku um- umc umd umm umo umr umt umu uoc uod uok uom uoo uor uot ur- urc urd urk urm uro urr urt uru utc utd utk utm uto utr utt utu uuc uum uur uut uuu