-er -ic -th c-- ccc cce cch cci cck ccr cct ce- cec cee ceh cei cek cer cet ch- chc che chh chi chk chr cht ci- cic cie cih cii cik cir cit ckc ckh cki ckt crc cre crh cri crk crr crt ctc cte cth cti ctk ctr ctt ec- ecc ece ech eci eck ecr ect eec eee eek eer eet ehc ehe ehh ehi ehr eht eic eie eii eik eir eit ekc eke ekh eki ekr ekt erc ere erh eri erk err ert etc ete eth eti etk etr ett h-i hcc hce hch hci hck hcr hct he- hec hee heh hei hek her het hhc hhe hhh hhi hhk hhr hht hic hie hih hii hik hir hit hkh hki hkk hkr hkt hr- hrc hre hrh hri hrk hrr hrt htc hte hth hti htk htr htt icc ice ich ici ick icr ict ie- iec iee iei iek ier iet ihc ihe ihh ihi ihk ihr iht iic iie iih iii iir iit ikc ike iki ikk ikr ikt ir- irc ire iri irk irr irt itc ite ith iti itk itt k-t kcc kce kch kci kck kcr kct ke- kec kee keh kei kek ker ket khe khh khi khk khr kic kie kih kii kik kir kit kkc kke kkh kki kkk kkr kkt krc kri krk krr krt ktc kte kth ktk ktr ktt rcc rce rch rci rcr rct re- rec ree reh rei rek rer ret rh- rhc rhe rhh rhi rhr rht ric rie rih rii rik rir rit rkc rke rkk rkt rrc rrh rri rrk rrr rrt rtc rte rti rtk rtr rtt tcc tce tch tci tck tcr tct te- tec tee teh tei tek ter tet th- thc the thh thi thk thr tht tic tie tih tii tik tir tit tkc tke tkk tkr tkt trc tre trh tri trk trr trt ttc tte tth tti ttk ttr ttt

cccc ccci ccee cche cchr ccic ccii ccir ccrc ccre ccri ccrt cctc cctt cec- cece ceci cect ceec ceke cer- cerc cere ceri cert cet- cete ceti chce chch chci chec chee cheh chek cher chet chic chie chih chik chir chit chkt chrc chrr chrt chtr chtt cicc cich cici cicr cict ciee cier cihr ciht ciii ciit cikr circ cire cirh ciri cirk cirr cirt cite cith citi citt ckch ckck cker ckrc crcc crce crcr cre- crec cree creh crei cret cric crie crik crit crkc crrt crtc ctec ctic ctrc eccc ecce ecci ecct eche echt ecit ecrc ecri ecrr ect- ectc ecth eeee eeke eerc eetc eete eeth ehcc eheh eher ehre ehte eich eick eiec eiei eier eike eiki eire eitc eith eiti eitr ekch ekek eker eket ekki ercc erce erch erec erei erer eret erhc eric erie erih erik erit erke erki errc erre erth etcc etch etec etee eter eth- ethe etic etik etre ette etti h-ii hccc hcch hchi hech heck hect heek heer heet hehe heic heie heih heik heir heit heke hekt herc here heri herk herr hert hete heth hett hhhh hi-c hicc hice hich hick hiei hier hiet hihc hihe hihi hiht hiie hiit hike hiki hire hiri hirk hirt hitc hite hiti hitt hkcc hket hkir hree hrit hrrc hrte htcc htet htrk httr iccc icci iccr icct icec icee icer icet ichc iche ichi ichr icke icrc icre icrr icrt iecc ieet ieie iere ieri iett ihcc iher ihit ihrc ihre ihtc iiht iiie iiii iiit iirc iitr iitt ikee iker ikki ikri ircc iree irer iri- iric irie irki irrc irre irri irte irti itch itec itek iter itet ithc ithe itic itie itri k-ci kccc kcci kcck kccr kcct kcec kcee kcei kcet kche kchh kchi kchk kchr kcic kcie kcii kcir kcit kckc kckk kckr kcrc kcrh kcri kcrr kcrt kctc kcte kcti kech keck kecr keeh keek keer keet kehk kehr keii keik keir kekc keke keki ker- kerc kere keri kerk kerr kert ket- ketc kete keth keti ketk ketr kett khcc khch khck khct khec kher khet khhk khic khii khit khke khki khkk khkr khri khrk khrr khrt khte khth khti khtk khtr khtt kicc kice kick kicr kict kier kihc kihh kihi kihk kihr kiht kiic kiii kiik kiit kikc kiki kikk kikr kikt kirc kiri kirk kirr kirt kitc kite kith kiti kitr kitt kkch kkci kkck kkcr kkct kkhh kkhi kkhk kkhr kkic kkik kkit kkkk kkrc kkre kkrh kkrk kkrr kkrt kktc kktk krcc krce krch krci krec kree kreh krei krek kret krhc krik krit krkc krke krkh krki krkk krkr krrc krre krri krrk krrr krrt krtc krth krti krtk krtr ktcc ktce ktch ktck ktcr ktec ktee kteh ktek kthc kthe kthh kthi kthk kthr ktht ktic ktie ktik ktkc ktke ktkk ktkr ktkt ktrc ktre ktrh ktri ktrk ktrr ktrt kttc ktth ktti kttk kttr kttt rccc rcet rcic rctc rcti recc rece rech reci reck recr rect reek reet rehe rehi reht reii reik reir reit reke reki rekt rere reri rert rete reth reti retr rett rhce rhee rhet ricc rice rich rick rict riek rier riet riht rike riki rikk rire riri rite rith riti ritt rrrr rtcc rtce rtee rtei rthk tccc tch- tche tchh tchi tchr tctc tech teck tecr tect teec teek teer teet tehi tehr teic teie teir teke tekh ter- terc tere teri terk terr tete teth teti tetr tett thch the- thec thee thei thek ther thet thi- thic thie thik thir thre thri thtr ticc tice tich tick tie- tiee tiei tier tiet tiht tiit tike tiki tire tiri tirr titc tite tith titi titt trcc tre- trec tree trei trek tret tri- tric trie trik trit trtc trte trtr tter tttt

-tree c-kit c-tec ccccc cccii ccett cciii ccitt cech ceche cechi cecht ceci- cecie cecri ceere ceirt cerc- cerce cerci cerec cerer ceret