-er -ic b-p bbb bbc bbd bbe bbi bbl bbp bbr bbt bcb bcc bcd bce bci bcl bcp bcr bct bdb bdc bdd bde bdi bdl bdp bdr bdt be- beb bec bed bee bei bel bep ber bet bi- bib bic bid bie bii bil bip bir bit blb blc bld ble bli bll blp blr blt bpb bpc bpd bpe bpi bpl bpp bpr bpt brb brd bre bri brl brp brr brt btb btc btd bte bti btl btp btr btt c-- cbb cbc cbd cbe cbi cbl cbp cbr cbt ccb ccc ccd cce cci ccl ccp ccr cct cdb cdc cdd cde cdi cdl cdp cdr cdt ce- ceb cec ced cee cei cel cep cer cet ci- cib cic cid cie cii cil cip cir cit cl- clb clc cld cle cli cll clp clr clt cpb cpc cpd cpe cpi cpl cpp cpr cpt crb crc crd cre cri crl crp crr crt ctb ctc ctd cte cti ctl ctp ctr ctt dbb dbc dbd dbe dbi dbl dbp dbr dbt dcb dcc dcd dce dci dcl dcp dcr dct ddb ddc ddd dde ddi ddl ddp ddr ddt de- deb dec ded dee dei del dep der det di- dib dic did die dii dil dip dir dit dl- dlb dlc dld dle dli dll dlp dlr dlt dpb dpc dpd dpe dpi dpl dpp dpr dpt drb drc drd dre dri drl drp drr drt dtb dtc dtd dte dti dtl dtp dtr dtt ebb ebc ebd ebe ebi ebl ebp ebr ebt ec- ecb ecc ecd ece eci ecl ecr ect ed- edb edc edd ede edi edl edp edr edt eeb eec eed eee eel eep eer eet eib eic eid eie eii eil eip eir eit elb elc eld ele eli ell elp elr elt ep- epb epc epd epe epi epl epp epr ept erb erc erd ere eri erl erp err ert etb etc etd ete eti etl etp etr ett i-d ibb ibc ibd ibe ibi ibl ibp ibr ibt icb icc icd ice ici icl icp icr ict idb idc idd ide idi idl idp idr idt ie- iec ied iee iei iel iep ier iet iib iic iid iie iii iil iip iir iit il- ilb ilc ild ile ili ill ilp ilr ilt ipb ipc ipd ipe ipi ipl ipp ipr ipt ir- irb irc ird ire iri irl irp irr irt itb itc itd ite iti itl itp itt l-p lbb lbc lbd lbe lbi lbl lbp lbr lbt lcb lcc lcd lce lci lcl lcp lcr lct ldb ldc ldd lde ldi ldl ldp ldr ldt leb lec led lee lei lel lep ler let lib lic lid lie lii lil lip lir lit llb llc lld lle lli lll llp llr llt lpb lpc lpd lpe lpi lpl lpp lpr lpt lrb lrc lrd lri lrp lrr lrt ltb ltc ltd lte lti ltl ltp ltr ltt p-p pbb pbc pbd pbe pbi pbl pbp pbr pbt pcb pcc pcd pce pci pcl pcp pcr pct pdb pdc pdd pde pdi pdl pdp pdr pdt peb pec ped pee pei pel pep per pet pib pic pid pie pii pil pip pir pit plb plc pld ple pli pll plp plr plt ppb ppc ppd ppe ppi ppl ppp ppr ppt prb prc prd pre pri prl prp prr prt pt- ptb ptc ptd pte pti ptl ptp ptr ptt rbb rbc rbd rbe rbi rbl rbp rbr rbt rcb rcc rcd rce rci rcl rcp rcr rct rdb rdc rdd rde rdi rdl rdp rdr rdt re- reb rec red ree rei rel rep rer ret rib ric rid rie rii ril rip rir rit rlc rld rle rli rll rlp rlr rlt rpb rpc rpd rpe rpi rpl rpp rpr rpt rrb rrc rrd rri rrl rrp rrr rrt rtb rtc rtd rte rti rtl rtp rtr rtt tbb tbc tbd tbe tbi tbl tbp tbr tbt tcb tcc tcd tce tci tcl tcp tcr tct tdb tdc tdd tde tdi tdl tdp tdr tdt te- teb tec ted tee tei tel tep ter tet tib tic tid tie tii til tip tir tit tlc tld tle tli tll tlp tlr tlt tpb tpc tpd tpe tpi tpl tpp tpr tpt trb trc trd tre tri trl trp trr trt ttb ttc ttd tte tti ttl ttp ttr ttt