-er -th c-- ccc cce cch cco ccr cct ccu ce- cec cee ceh ceo cer cet ceu ch- chc che chh cho chr cht chu co- coc coe coh coo cor cot cou crc cre crh cro crr crt cru ctc cte cth cto ctr ctt ctu cuc cue cuh cuo cur cut cuu ec- ecc ece ech eco ecr ect ecu eec eee eeo eer eet ehc ehe ehh eho ehr eht ehu eo- eoc eoe eoh eoo eor eot eou erc ere erh ero err ert eru etc ete eth eto etr ett etu eu- euc eue eur eut hcc hce hch hco hcr hct he- hec hee heh heo her het heu hhc hhe hhh hho hhr hht hhu hoc hoe hoh hoo hor hot hou hr- hrc hre hrh hro hrr hrt hru htc hte hth hto htr htt huc hue huh huo hur hut huu oc- occ och oco ocr oct ocu oec oee oeh oeo oer oet ohc ohe ohh oho ohr oht ohu oo- ooc ooh ooo oor oot or- orc ore orh oro orr ort oru ot- otc ote oth oto otr ott otu ou- ouc oue ouh ouo our out rcc rce rch rco rcr rct rcu re- rec ree reh reo rer ret reu rh- rhc rhe rhh rho rhr rht rhu roc roe roh roo ror rot rou rrc rrh rrr rrt rru rtc rte rto rtr rtt rtu ruc rue ruh ruo rur rut ruu tcc tce tch tco tcr tct tcu te- tec tee teh teo ter tet teu th- thc the thh tho thr tht thu to- toc toe toh too tor tot tou trc tre trh tro trr trt tru ttc tte tth tto ttr ttt ttu tuc tue tuh tuo tur tut tuu ucc uce uch uco ucr uct ucu uec uee ueh uer uet uhc uhe uhh uho uhr uht uhu uoc uoe uoo uor uot ur- urc ure uro urr urt uru utc ute uth uto utr utt utu uuc uue uur uut uuu

-hou cccc cccu ccee cche cchr ccoc ccrc ccre ccrt cctc cctt ccuc ccut cec- cece ceco cect ceec ceor ceou cer- cerc cere cero cert cet- cete ceto chce chch chec chee cheh cher chet cheu choc choh choo chor chou chrc chro chrr chrt chto chtr chtt chur chut coce coch coco coct cocu coho cooh coot cor- corc core coro corr cort cotc cote coth coto cott cotu coue cour cout crcc crce crcr cre- crec cree creh creo cret creu croc croe croh croo cror crot crrt crtc crue crut ctec ctor ctot ctrc cucc cuce cuer cure curo curr curt cut- cutc cute cuth cuto cutt eccc ecce ecco ecct eche echo echt eco- ecot ecou ecrc ecrr ecru ect- ectc ecth ecto eeee eeoc eerc eero eetc eete eeth eetu ehcc eheh eher eheu ehre ehte eore eotc eoto ercc erce erch erec erer eret erhc erhu eroc eroe eroo errc erre erro erth ertu eruc eruh erur etcc etch etco etec etee eter eth- ethe etho etoe etoh etre etro ette etto ettu euch euer eur- eurc eure euro eurt euth hccc hcch hech hect heer heet hehe heho heor heou herc here hero herr hert heru hete heth heto hett hetu heue heur hhhh hoce hoch hocr hoer hohe hoho hooe hoor hoot horc hore horo horr hort hote hoth hoto hotr hott hotu houe hour hout hree hrrc hrte htcc htet htoh httr huch hucu huer huet huhu huor huot hure huro hurr hurt huru hute huth huto hutt hutu o-eo occc occt oce ocee ocet oche ocht ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere ohcc ohee oher ohho ohoh ohre ohte ohto ohtu oocr ooer ooho oooh oooo oore oort orce orch orco ore- orec oreh oreo orer orhe oro- oroe oror orot orro ortc orte orth orto otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto ottu otur oucc ouch ouer our- oure ouro ourt out- oute outh outo ouu- rccc rcet rctc recc rece rech recr rect recu reet rehe reht reot reou rere rero rert reru rete reth reto retr rett reue reut reuu rhce rhee rheo rhet rhoc rhoh rhue rocc roce roch roco roer roet rohe rohr rohu roor root rorc rore roro rort roru rotc rote roth roto rotr rott roue rouh rout rrrr rtcc rtce rtee ruce ruch ruct ruer ruet ruhe ruhh ruhr rurc rure ruro ruru rute ruth ruto rutt rutu tccc tccu tch- tche tchh tcho tchr tchu tctc tech teco tecr tect teec teer teet teho tehr teoh teor ter- terc tere tero terr teru tete teth teto tetr tett tetu teut thch the- thec thee theo ther thet theu thoe thoo thor thot thou thre thro thru thtr thue thur toce toch toco toee toeh toer toet toho tohu tooh toor toot torc tore toro torr tort toru totc tote toth toto totr tott touh tour tout trcc tre- trec tree treo tret treu troc troe troo trot trou trtc trte trtr truc true trut truu tteo tter ttoe tttt tucc tuch tuco tuer tuet tuht tuhu tuor turc ture turo turr turt turu tute tuto tutt tutu tuuo uche ucho ucrc ucut uher uhoh uhuh uocc uor- uore urch ure- ureh uret urho uro- uroo urre urrh urte urth urur urut utec uter uthe utor utto uttu uuoc uuuu

-tree c-cor c-tec ccccc ccett cech ceche cecht ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette chech cheer cheet cheho chehr cheo chere chero chert cheru chete cheth cheto chett cheue chher choco choor chor- chore choro chort chote chott choue chout chueh chuet chur- chure churr churt churu chute co-co cocc- cocce cocco coceo coche cocto cocur coete coeur cohee cohoe cohoo cohue cooch cooee cooer coore coote cooth corce core- coree corer coreu coro-