-er c-- ccc cce ccl ccr cct ccu ccw ce- cec cee cel cer cet ceu cew cl- clc cle cll clr clt clu clw crc cre crl crr crt cru crw ctc cte ctl ctr ctt ctu ctw cuc cue cul cur cut cuu cuw cw- cwc cwe cwl cwr cwt cwu ec- ecc ece ecl ecr ect ecu ecw eec eee eel eer eet eew elc ele ell elr elt elu elw erc ere erl err ert eru erw etc ete etl etr ett etu etw eu- euc eue eul eur eut ewc ewe ewl ewr ewt ewu eww lcc lce lcl lcr lct lcu lcw lec lee lel ler let leu lew llc lle lll llr llt llu llw lrc lrr lrt lru lrw ltc lte ltl ltr ltt ltu luc lue lul lur lut luu lwc lwl lwr lww rcc rce rcl rcr rct rcu rcw re- rec ree rel rer ret reu rew rlc rle rll rlr rlt rlu rlw rrc rrl rrr rrt rru rtc rte rtl rtr rtt rtu rtw ruc rue rur rut ruu rwc rwe rwl rwr rwu tcc tce tcl tcr tct tcu tcw te- tec tee tel ter tet teu tew tlc tle tll tlr tlt tlu tlw trc tre trl trr trt tru trw ttc tte ttl ttr ttt ttu ttw tuc tue tul tur tut tuu twc twe twl twr twt twu tww ucc uce ucl ucr uct ucu ucw uec uee uel uer uet uew ulc ule ull ulr ult ulu ur- urc ure url urr urt uru urw utc ute utl utr utt utu uuc uue uur uut uuu uwc uwe uwl uwr uww wcc wce wcl wcr wct wcu wcw wec wee wel wer wet wew wl- wlc wle wll wlr wlt wlu wlw wr- wrc wre wrl wrr wrt wru wrw wtc wtr wtt wtu wtw wuc wue wur wut wwc wwe wwl wwt wwu www

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-tree c-tec ccccc ccell ccett ccrcl ccrel cctrl ceele ceere celer cell- celle celte cerc- cerce cerec cerer ceret cerre certe cette cleer cleet clerc clere clete clett clewe clue- cluer clurr clute clutt crece creel creer crele crell crete cretu creu- creue creul crewe crrel cruce cruel cruet crule crull crure crwet ctree ctrlc cttee ctulu culet culle cullu culur curce curel curer curet curle curll curlu curre cutcu cutee cuter cutle cuuel cuwul eccle eeeee eeler elect eleet elele eleut ellel eller ellet ellul elrec elulu eluru elute erect erere erewe errew errtu erte ertel erter eruct etete etree ettel etter ettle eturu etwee eucre euell euler eurel eurre ewell ewert lecce leece leell leere leert leeuw leleu lelle lerer letre lette letur leuc- leuce lewce lewer lewre lewte lucee lucet lucre lucur lulec lulle lulte luluc lulul lurer lurue lute-