-er c-- ccc cce cch cck cco ccr ccu ccv ccz ce- cec cee ceh cek ceo cer ceu cev cez ch- chc che chh chk cho chr chu chv chz ckc ckh cko co- coc coe coh cok coo cor cou cov coz crc cre crh crk cro crr cru crv crz cuc cue cuh cuk cuo cur cuu cuv cuz cvc cve cvh cvk cvo cvr cvu cvv cvz cz- czc cze czk czo ec- ecc ece ech eck eco ecr ecu ecv eec eee eek eeo eer eev ehc ehe ehh eho ehr ehu ehv ekc eke ekh eko ekr eku ekv eo- eoc eoe eoh eok eoo eor eou erc ere erh erk ero err eru erv erz eu- euc eue eur euv evc eve evh evo evr evv eze ezh ezo ezr ezz hcc hce hch hck hco hcr hcv he- hec hee heh hek heo her heu hev hez hhc hhe hhh hhk hho hhr hhu hhv hhz hkh hkk hko hkr hku hoc hoe hoh hok hoo hor hou hov hr- hrc hre hrh hrk hro hrr hru hrv hrz huc hue huh huk huo hur huu huv huz hv- hvc hvk hvo hvr hvv hze hzo k-z kcc kce kch kck kcr kcu ke- kec kee keh kek keo ker kev kez khe khh khk kho khr khu khv khz kkc kke kkh kkk kkr kku kkv koc koe koh kok koo kor kou koz krc krk kro krr kru krv kuc kue kuh kuk kur kuu kvh kvk kvo kvr kvv kzo oc- occ och ock oco ocr ocu ocv ocz oec oee oeh oeo oer ohc ohe ohh oho ohr ohu okc oke okk oko okr oku oo- ooc ooh ook ooo oor oov or- orc ore orh ork oro orr oru orv orz ou- ouc oue ouh ouk ouo our ov- ovc ove ovh ovo ovv oze ozo ozu ozz rcc rce rch rco rcr rcu rcv re- rec ree reh rek reo rer reu rev rez rh- rhc rhe rhh rho rhr rhu rhv rkc rke rkk rko rku rkv rkz roc roe roh rok roo ror rou rov roz rrc rrh rrk rrr rru ruc rue ruh ruk ruo rur ruu ruv ruz rvc rve rvh rvo rvr rvu rvv rze rzo ucc uce uch uck uco ucr ucu ucv uec uee ueh uer uhc uhe uhh uho uhr uhu uhv ukc uke ukk ukr uku ukz uoc uoe uok uoo uor ur- urc ure urk uro urr uru urz uuc uue uur uuu uvc uve uvo uvu uvv uzh uzo uzu v-e vcc vce vch vco vcr vcu vec vee veh vek veo ver veu vez vh- vhc vhe vho voc voe voh vok voo vor vou vov voz vrc vre vrh vrk vrr vru vue vuk vur vuv vuz vvc vvo vvr vvv vvz zce zco zec zee zeh zek zeo zer zev zez zhc zhe zho zhr zhu zo- zoc zoe zok zoo zor zou zrh zro zuc zuk zur zuz zzr zzz