-er -ic -ol b-p bbb bbc bbe bbf bbi bbl bbo bbp bbr bbt bcb bcc bce bcf bci bcl bco bcp bcr bct be- beb bec bee bef bei bel beo bep ber bet bfb bfc bfe bff bfi bfl bfo bfp bfr bft bi- bib bic bie bif bii bil bio bip bir bit blb blc ble blf bli bll blo blp blr blt bob boc boe bof boi bol boo bop bor bot bpb bpc bpe bpf bpi bpl bpo bpp bpr bpt brb bre brf bri brl bro brp brr brt btb btc bte btf bti btl bto btp btr btt c-- cbb cbc cbe cbf cbi cbl cbo cbp cbr cbt ccb ccc cce ccf cci ccl cco ccp ccr cct ce- ceb cec cee cef cei cel ceo cep cer cet cfb cfc cfe cff cfi cfl cfo cfp cfr cft ci- cib cic cie cif cii cil cio cip cir cit cl- clb clc cle clf cli cll clo clp clr clt co- cob coc coe cof coi col coo cop cor cot cpb cpc cpe cpf cpi cpl cpo cpp cpr cpt crb crc cre crf cri crl cro crp crr crt ctb ctc cte ctf cti ctl cto ctp ctr ctt ebb ebc ebe ebf ebi ebl ebo ebp ebr ebt ec- ecb ecc ece ecf eci ecl eco ecr ect eeb eec eee eef eel eeo eep eer eet ef- efb efc efe eff efi efl efo efp efr eft eib eic eie eif eii eil eio eip eir eit elb elc ele elf eli ell elo elp elr elt eo- eob eoc eoe eof eoi eol eoo eop eor eot ep- epb epc epe epf epi epl epo epp epr ept erb erc ere erf eri erl ero erp err ert etb etc ete etf eti etl eto etp etr ett fbb fbc fbe fbf fbi fbl fbo fbp fbr fbt fcb fcc fce fcf fci fcl fco fcp fcr fct feb fec fee fef fei fel feo fep fer fet ffc ffe fff ffi ffl ffo ffp ffr fft fib fic fie fif fii fil fip fir fit flb flc fle flf fli fll flo flp flr flt fob foc foe fof foi fol foo fop for fot fpb fpc fpe fpi fpl fpo fpp fpr fpt frb frc fre frf fri frl fro frp frr frt ftb ftc fte ftf fti ftl fto ftp ftr ftt i-f ibb ibc ibe ibf ibi ibl ibo ibp ibr ibt icb icc ice icf ici icl ico icp icr ict ie- iec iee ief iei iel iep ier iet ifb ifc ife iff ifi ifl ifo ifp ifr ift iib iic iie iif iii iil iio iip iir iit il- ilb ilc ile ilf ili ill ilo ilp ilr ilt io- iob ioc ioe iof ioi iol ioo iop ior iot ipb ipc ipe ipf ipi ipl ipo ipp ipr ipt ir- irb irc ire irf iri irl iro irp irr irt itb itc ite itf iti itl ito itp itt l-p lbb lbc lbe lbf lbi lbl lbo lbp lbr lbt lcb lcc lce lcf lci lcl lco lcp lcr lct leb lec lee lef lei lel leo lep ler let lfb lfc lfe lff lfi lfl lfo lfp lfr lft lib lic lie lif lii lil lio lip lir lit llb llc lle llf lli lll llo llp llr llt lob loc loe lof loi lol loo lop lor lot lpb lpc lpe lpf lpi lpl lpo lpp lpr lpt lrb lrc lrf lri lro lrp lrr lrt ltb ltc lte ltf lti ltl lto ltp ltr ltt o-i ob- obb obc obe obf obi obl obo obp obr obt oc- ocb occ ocf oci ocl oco ocp ocr oct oeb oec oee oef oei oel oeo oep oer oet of- ofb ofc ofe off ofi ofl ofo ofp ofr oft oib oic oie oif oii oil oio oip oir oit olb olc ole olf oli oll olo olp olt oo- oob ooc oof ooi ool ooo oop oor oot op- opb opc ope opf opi opl opo opp opr opt or- orb orc ore orf ori orl oro orp orr ort ot- otb otc ote otf oti otl oto otp otr ott p-p pbb pbc pbe pbf pbi pbl pbo pbp pbr pbt pcb pcc pce pcf pci pcl pco pcp pcr pct peb pec pee pef pei pel peo pep per pet pfb pfc pfe pff pfi pfl pfo pfp pfr pft pib pic pie pif pii pil pio pip pir pit plb plc ple plf pli pll plo plp plr plt pob poc poe pof poi pol poo pop por pot ppb ppc ppe ppf ppi ppl ppo ppp ppr ppt prb prc pre prf pri prl pro prp prr prt pt- ptb ptc pte ptf pti ptl pto ptp ptr ptt rbb rbc rbe rbf rbi rbl rbo rbp rbr rbt rcb rcc rce rcf rci rcl rco rcp rcr rct re- reb rec ree ref rei rel reo rep rer ret rfb rfc rfe rff rfi rfl rfo rfp rfr rft rib ric rie rif rii ril rio rip rir rit rlc rle rlf rli rll rlo rlp rlr rlt rob roc roe rof roi rol roo rop ror rot rpb rpc rpe rpf rpi rpl rpo rpp rpr rpt rrb rrc rrf rri rrl rrp rrr rrt rtb rtc rte rtf rti rtl rto rtp rtr rtt tbb tbc tbe tbf tbi tbl tbo tbp tbr tbt tcb tcc tce tcf tci tcl tco tcp tcr tct te- teb tec tee tef tei tel teo tep ter tet tfb tfc tfe tff tfi tfl tfo tfp tfr tft tib tic tie tif tii til tio tip tir tit tlc tle tlf tli tll tlo tlp tlr tlt to- tob toc toe tof toi tol too top tor tot tpb tpc tpe tpf tpi tpl tpo tpp tpr tpt trb trc tre trf