-er -ol b-p bbb bbc bbe bbl bbo bbp bbr bbt bcb bcc bce bcl bco bcp bcr bct be- beb bec bee bel beo bep ber bet blb blc ble bll blo blp blr blt bob boc boe bol boo bop bor bot bpb bpc bpe bpl bpo bpp bpr bpt brb bre brl bro brp brr brt btb btc bte btl bto btp btr btt c-- cbb cbc cbe cbl cbo cbp cbr cbt ccb ccc cce ccl cco ccp ccr cct ce- ceb cec cee cel ceo cep cer cet cl- clb clc cle cll clo clp clr clt co- cob coc coe col coo cop cor cot cpb cpc cpe cpl cpo cpp cpr cpt crb crc cre crl cro crp crr crt ctb ctc cte ctl cto ctp ctr ctt ebb ebc ebe ebl ebo ebp ebr ebt ec- ecb ecc ece ecl eco ecr ect eeb eec eee eel eeo eep eer eet elb elc ele ell elo elp elr elt eo- eob eoc eoe eol eoo eop eor eot ep- epb epc epe epl epo epp epr ept erb erc ere erl ero erp err ert etb etc ete etl eto etp etr ett l-p lbb lbc lbe lbl lbo lbp lbr lbt lcb lcc lce lcl lco lcp lcr lct leb lec lee lel leo lep ler let llb llc lle lll llo llp llr llt lob loc loe lol loo lop lor lot lpb lpc lpe lpl lpo lpp lpr lpt lrb lrc lro lrp lrr lrt ltb ltc lte ltl lto ltp ltr ltt ob- obb obc obe obl obo obp obr obt oc- ocb occ ocl oco ocp ocr oct oeb oec oee oel oeo oep oer oet olb olc ole oll olo olp olt oo- oob ooc ool ooo oop oor oot op- opb opc ope opl opo opp opr opt or- orb orc ore orl oro orp orr ort ot- otb otc ote otl oto otp otr ott p-p pbb pbc pbe pbl pbo pbp pbr pbt pcb pcc pce pcl pco pcp pcr pct peb pec pee pel peo pep per pet plb plc ple pll plo plp plr plt pob poc poe pol poo pop por pot ppb ppc ppe ppl ppo ppp ppr ppt prb prc pre prl pro prp prr prt pt- ptb ptc pte ptl pto ptp ptr ptt rbb rbc rbe rbl rbo rbp rbr rbt rcb rcc rce rcl rco rcp rcr rct re- reb rec ree rel reo rep rer ret rlc rle rll rlo rlp rlr rlt rob roc roe rol roo rop ror rot rpb rpc rpe rpl rpo rpp rpr rpt rrb rrc rrl rrp rrr rrt rtb rtc rte rtl rto rtp rtr rtt tbb tbc tbe tbl tbo tbp tbr tbt tcb tcc tce tcl tco tcp tcr tct te- teb tec tee tel teo tep ter tet tlc tle tll tlo tlp tlr tlt to- tob toc toe tol too top tor tot tpb tpc tpe tpl tpo tpp tpr tpt trb trc tre trl tro trp trr trt ttb ttc tte ttl tto ttp ttr ttt

bbbb bbeb bbet bblb bbpr bbrc bcbc bcbp bccc bccl bcec bcer bcet bcor bcpl bcpp bctc bebb bebe bebo beeb beel beep beer beet bele bell belo belp belt beo- beor beot bepo berc bere bero berr bert betc bete beto bett blbt bleb blee bleo blet blob bloc bloo blop blot blrc bobb bobe bobo boce boco boec boee boel boeo boep boer boet bole boll bolo bolt boob booc booe bool boop boor boot bope bopp bor- bore boro borr bort botb bote boto bott bpcp bpel bpoe bpot bprc brcb brce breb brec bree brel breo brep brer bret brlp brob broc broe brol broo bror brot brrr brtc btbp btcc btcl btec btlp btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcl cbcp cbcr cbct cbec cbee cber cbet cblb cblc cbol cbot cbpc cbpp cbre cbrl cbrt cbtc cbtl ccbc cccb cccc cccl cccp ccee ccel cclc ccob ccoc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp ccrt cctb cctc cctl cctt cebp cec- cece ceco cecp cect ceeb ceec ceel cel- celc cele cell celo celt ceol ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cerl cero cerp cert cet- cete ceto cetp clec clee cleo clep cler clet clob cloe cloo clop clor clot clpb clpp clro cltb cltc cobb cobe cobo coce coco cocp coct coel coep col- colb cole coll colo colp colt coob cool coop coot cope copo copp copr copt cor- corb corc core corl coro corp corr cort cotb cotc cote coto cott cpbc cpce cpeb cpep cper cplc cpre cprt cptp cptr crbc crcc crce crcr cre- creb crec cree creo crep cret crob croc croe crol croo crop cror crot crpc crrt crtc crtl crtp ctcp ctec ctep ctle ctol ctor ctot ctpo ctpp ctrc ctrl ctrp e-cl ebbc ebbo ebbr ebcc ebel eber eboe ebol eboo ebor ebpo ebro ecbc ecbe eccb eccc ecce eccl ecco ecct eclt eco- ecol ecop ecot ecpp ecrc ecrl ecrr ect- ectc ecto eeee eele eeoc eerc eero eetc eete el-b el-p elbe elbo elcb elce elco elec elee eleo eler elet elle ello elpe elro elte elto eole eolo eore eorl eotc eoto epcc epec epee eper eple epll epoc epol epor epot eppc eppo eppp eprb epro eprp epte erbb erbe ercc erce ercp ereb erec erel erer eret erle erll erob eroc eroe erol eroo erpe errc erre erro ertl etbc etbr etcc etco etec etee etel eter etoe etre etro ette etto lbcc lblr lbrt lcbc lccc lcce lcer lcor lcpc lcpl lcrl lctl lcto lebo lece leco lect leel leep leer leet lele lell lelo leoc leor lepe lepo lepp lept lerc lere lero lerp lert lete leto lett llcc llet lllc llll lloc lloo lob- lobb lobe lobo locc loce loco loeb lole loll