-er c-- ccc cce cch cck cco ccr ccu ccv ce- cec cee ceh cek ceo cer ceu cev ch- chc che chh chk cho chr chu chv ckc ckh cko co- coc coe coh cok coo cor cou cov crc cre crh crk cro crr cru crv cuc cue cuh cuk cuo cur cuu cuv cvc cve cvh cvk cvo cvr cvu cvv 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 eu- euc eue eur euv evc eve evh evo evr evv hcc hce hch hck hco hcr hcv he- hec hee heh hek heo her heu hev hhc hhe hhh hhk hho hhr hhu hhv hkh hkk hko hkr hku hoc hoe hoh hok hoo hor hou hov hr- hrc hre hrh hrk hro hrr hru hrv huc hue huh huk huo hur huu huv hv- hvc hvk hvo hvr hvv kcc kce kch kck kcr kcu ke- kec kee keh kek keo ker kev khe khh khk kho khr khu khv kkc kke kkh kkk kkr kku kkv koc koe koh kok koo kor kou krc krk kro krr kru krv kuc kue kuh kuk kur kuu kvh kvk kvo kvr kvv oc- occ och ock oco ocr ocu ocv 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 ou- ouc oue ouh ouk ouo our ov- ovc ove ovh ovo ovv rcc rce rch rco rcr rcu rcv re- rec ree reh rek reo rer reu rev rh- rhc rhe rhh rho rhr rhu rhv rkc rke rkk rko rku rkv roc roe roh rok roo ror rou rov rrc rrh rrk rrr rru ruc rue ruh ruk ruo rur ruu ruv rvc rve rvh rvo rvr rvu rvv ucc uce uch uck uco ucr ucu ucv uec uee ueh uer uhc uhe uhh uho uhr uhu uhv ukc uke ukk ukr uku uoc uoe uok uoo uor ur- urc ure urk uro urr uru uuc uue uur uuu uvc uve uvo uvu uvv v-e vcc vce vch vco vcr vcu vec vee veh vek veo ver veu vh- vhc vhe vho voc voe voh vok voo vor vou vov vrc vre vrh vrk vrr vru vue vuk vur vuv vvc vvo vvr vvv

-hou cccc cccu cccv ccee cche cchr ccoc ccrc ccre ccuc ccvo cec- cece ceco ceec ceke ceor ceou cer- cerc cere cero cevo chce chch chec chee cheh chek cher cheu chev choc choh chok choo chor chou chov chrc chro chrr chuk chur chvo ckch ckck ckco ckcv cker ckhv ckoc ckoo ckor ckrc ckvo coce coch cock coco cocu coho cok- coke coko cooh cook cor- corc core cork coro corr coue couk cour cove covo crcc crce crcr cre- crec cree creh creo creu crkc croc croe croh crok croo cror crue cruk cucc cuce cuck cuek cuer cuk- cuke cure curo curr cuve cvcc cver cvrr eccc ecce ecco eche echo ecko eco- ecou ecrc ecrr ecru ecrv eeee eeke eeoc eerc eero ehcc eheh eher eheu ehre ekch ekco ekek eker ekho ekur eore ercc erce erch erec erer erev erhc erhu erke eroc eroe eroo errc erre erro eruc eruh erur eruv erve euch euer eur- eurc eure euro ever evoe evoo evre evvk hccc hcch hech heck heek heer hehe heho heke heku heor heou herc here herk hero herr heru heue heuk heur heve hhhh hkcc hoce hoch hock hocr hoek hoer hohe hoho hoke hoko hoku hooe hook hoor horc hore hork horo horr houe houk hour hove hovk hree hrrc huch huck hucu huer huhu huke huor hure hurk huro hurr huru huve hvcc kccc kcck kccr kccu kccv kcec kcee kceo kceu kche kchh kchk kcho kchr kchu kckc kckk kcko kckr kckv kcoe kcoh kcor kcou kcrc kcrh kcro kcrr kcru kcrv kcue kcuh kcuk kcvh kcvk kcvo kcvr kcvu kcvv kech keck keco kecr keeh keek keer kehk kehr kekc keke keko keku keok ker- kerc kere kerk kero kerr keru kerv keur keve khcc khch khck khcv khec kher khhk khho khke khkk khkr khkv khoc khoe khok khor khou khrk khro khrr khrv khuk khur khvh kkch kkck kkco kkcr kkhh kkhk kkhr kkkk kkoh kkoo kkor kkov kkrc kkre kkrh kkrk kkro kkrr kkrv kkuu kkvr kkvu kkvv koch kock kohh koho kohr kohu kokc koke kokh kokk koko kokr koku kooc kook kooo koor koou koov korc kore kork koro korr koru korv koue kour kouu kovc kove kovk kovo kovr krcc krce krch krco krcu krec kree kreh krek kreo kreu krev krhc krhv krkc krke krkh krkk krko krkr krku krkv kroc kroe kroh krok kroo kror krov krrc krre krrk krro krrr kruc krue kruh kruk krur krvc krve krvk krvo krvr krvv kucc kuce kuch kuco kucr kucv kuek kueu kuhu kuke kukh kukk kuku kuok kuoo kure kurk kuro kurr kuru kurv kuuk kuur kuuu kuvo kuvr kvcc kvce kvch kvck kvco kvcr kvcu kvcv kvec kver kvoc kvoe kvoh kvok kvoo kvor kvou kvov kvrc kvre kvrh kvro kvrr kvrv kvue kvuu kvvr kvvv o-eo occc oce ocee oche ocke ocre ocro ocrr ocur oec- oecc oeec oere ohcc ohee oher ohho ohoh ohok ohre okcu okeh oker okko okok okor okre okro okur oocr ooer ooho ooku oooh oooo oore orce orch orco ore- orec oreh orek oreo orer orhe orke orko oro- oroe orok oror orro orve orvr oucc ouch ouer our- oure ouro ouu- ovee over ovo- ovoo ovre rccc rcuv rcvr recc rece rech reck recr recu reek reev rehe reke reko reou rere rero reru reue reuk reuu reve revo rhce rhee