-er -ic -ol -th b-p bbb bbc bbe bbh bbi bbl bbo bbp bbr bbt bcb bcc bce bch bci bcl bco bcp bcr bct be- beb bec bee beh bei bel beo bep ber bet bhb bhc bhe bhh bhi bhl bho bhp bhr bht bi- bib bic bie bih bii bil bio bip bir bit blb blc ble blh bli bll blo blp blr blt bob boc boe boh boi bol boo bop bor bot bpb bpc bpe bph bpi bpl bpo bpp bpr bpt brb bre brh bri brl bro brp brr brt btb btc bte bth bti btl bto btp btr btt c-- cbb cbc cbe cbh cbi cbl cbo cbp cbr cbt ccb ccc cce cch cci ccl cco ccp ccr cct ce- ceb cec cee ceh cei cel ceo cep cer cet ch- chb chc che chh chi chl cho chp chr cht ci- cib cic cie cih cii cil cio cip cir cit cl- clb clc cle clh cli cll clo clp clr clt co- cob coc coe coh coi col coo cop cor cot cpb cpc cpe cph cpi cpl cpo cpp cpr cpt crb crc cre crh cri crl cro crp crr crt ctb ctc cte cth cti ctl cto ctp ctr ctt ebb ebc ebe ebh ebi ebl ebo ebp ebr ebt ec- ecb ecc ece ech eci ecl eco ecr ect eeb eec eee eel eeo eep eer eet ehb ehc ehe ehh ehi ehl eho ehp ehr eht eib eic eie eii eil eio eip eir eit elb elc ele elh eli ell elo elp elr elt eo- eob eoc eoe eoh eoi eol eoo eop eor eot ep- epb epc epe eph epi epl epo epp epr ept erb erc ere erh eri erl ero erp err ert etb etc ete eth eti etl eto etp etr ett h-i hbb hbc hbe hbh hbi hbl hbo hbp hbr hbt hcb hcc hce hch hci hcl hco hcp hcr hct he- heb hec hee heh hei hel heo hep her het hhb hhc hhe hhh hhi hhl hho hhp hhr hht hib hic hie hih hii hil hio hip hir hit hlb hlc hle hlh hli hll hlo hlp hlr hlt hob hoc hoe hoh hoi hol hoo hop hor hot hpb hpc hpe hph hpi hpl hpo hpp hpr hpt hr- hrb hrc hre hrh hri hrl hro hrp hrr hrt htb htc hte hth hti htl hto htp htr htt ibb ibc ibe ibh ibi ibl ibo ibp ibr ibt icb icc ice ich ici icl ico icp icr ict ie- iec iee iei iel iep ier iet ihb ihc ihe ihh ihi ihl iho ihp ihr iht iib iic iie iih iii iil iio iip iir iit il- ilb ilc ile ilh ili ill ilo ilp ilr ilt io- iob ioc ioe ioh ioi iol ioo iop ior iot ipb ipc ipe ipi ipl ipo ipp ipr ipt ir- irb irc ire iri irl iro irp irr irt itb itc ite ith iti itl ito itp itt l-p lbb lbc lbe lbh lbi lbl lbo lbp lbr lbt lcb lcc lce lch lci lcl lco lcp lcr lct leb lec lee leh lei lel leo lep ler let lhb lhc lhh lhi lho lhp lhr lht lib lic lie lih lii lil lio lip lir lit llb llc lle lli lll llo llp llr llt lob loc loe loh loi lol loo lop lor lot lpb lpc lpe lph lpi lpl lpo lpp lpr lpt lrb lrc lrh lri lro lrp lrr lrt ltb ltc lte lth lti ltl lto ltp ltr ltt o-i ob- obb obc obe obh obi obl obo obp obr obt oc- ocb occ och oci ocl oco ocp ocr oct oeb oec oee oeh oei oel oeo oep oer oet ohc ohe ohh ohi ohl oho ohp ohr oht oib oic oie oii oil oio oip oir oit olb olc ole oli oll olo olp olt oo- oob ooc ooh ooi ool ooo oop oor oot op- opb opc ope oph opi opl opo opp opr opt or- orb orc ore orh ori orl oro orp orr ort ot- otb otc ote oth oti otl oto otp otr ott p-p pbb pbc pbe pbi pbl pbo pbp pbr pbt pcb pcc pce pch pci pcl pco pcp pcr pct peb pec pee peh pei pel peo pep per pet phb phc phe phi phl pho php phr pht pib pic pie pih pii pil pio pip pir pit plb plc ple plh pli pll plo plp plr plt pob poc poe poh poi pol poo pop por pot ppb ppc ppe pph ppi ppl ppo ppp ppr ppt prb prc pre prh pri prl pro prp prr prt pt- ptb ptc pte pth pti ptl pto ptp ptr ptt rbb rbc rbe rbh rbi rbl rbo rbp rbr rbt rcb rcc rce rch rci rcl rco rcp rcr rct re- reb rec ree reh rei rel reo rep rer ret rh- rhb rhc rhe rhh rhi rhl rho rhp rhr rht rib ric rie rih rii ril rio rip rir rit rlc rle rlh rli rll rlo rlp rlr rlt rob roc roe roh roi rol roo rop ror rot rpb rpc rpe rph rpi rpl rpo rpp rpr rpt rrb rrc rrh rri rrl rrp rrr rrt rtb rtc rte rti rtl rto rtp rtr rtt tbb tbc tbe tbh tbi tbl tbo tbp tbr tbt tcb tcc tce tch tci tcl tco tcp tcr tct te- teb tec tee teh tei tel teo tep ter tet th- thb thc the thh thi thl tho thp thr tht tib tic tie tih tii til tio tip tir tit tlc tle tlh tli tll tlo tlp tlr tlt to- tob toc toe toh toi tol too top tor tot tpb tpc tpe tph tpi tpl tpo tpp tpr tpt trb trc tre trh tri trl tro trp trr trt ttb