-er -ic -th b-p bbb bbc bbe bbg bbh bbi bbo bbp bbr bbs bbt bcb bcc bce bcg bch bci bco bcp bcr bcs bct be- beb bec bee beg beh bei beo bep ber bes bet bgb bgc bge bgg bgh bgi bgo bgp bgr bgs bgt bhb bhc bhe bhg bhh bhi bho bhp bhr bhs bht bi- bib bic bie big bih bii bio bip bir bis bit bob boc boe bog boh boi boo bop bor bos bot bpb bpc bpe bpg bph bpi bpo bpp bpr bps bpt brb bre brg brh bri bro brp brr brs brt bsb bsc bse bsg bsh bsi bso bsp bsr bss bst btb btc bte btg bth bti bto btp btr bts btt c-- cbb cbc cbe cbg cbh cbi cbo cbp cbr cbs cbt ccb ccc cce ccg cch cci cco ccp ccr ccs cct ce- ceb cec cee ceg ceh cei ceo cep cer ces cet cgb cgc cge cgg cgh cgi cgo cgp cgr cgs cgt ch- chb chc che chg chh chi cho chp chr chs cht ci- cib cic cie cig cih cii cio cip cir cis cit co- cob coc coe cog coh coi coo cop cor cos cot cpb cpc cpe cpg cph cpi cpo cpp cpr cps cpt crb crc cre crg crh cri cro crp crr crs crt csb csc cse csg csh csi cso csp csr css cst ctb ctc cte ctg cth cti cto ctp ctr cts ctt ebb ebc ebe ebg ebh ebi ebo ebp ebr ebs ebt ec- ecb ecc ece ecg ech eci eco ecr ecs ect eeb eec eee eeg eeo eep eer ees eet egb egc ege egg egh egi ego egp egr egs egt ehb ehc ehe ehg ehh ehi eho ehp ehr ehs eht eib eic eie eig eii eio eip eir eis eit eo- eob eoc eoe eog eoh eoi eoo eop eor eos eot ep- epb epc epe epg eph epi epo epp epr eps ept erb erc ere erg erh eri ero erp err ers ert es- esb esc ese esg esh esi eso esp esr ess est etb etc ete etg eth eti eto etp etr ets ett g-p gbc gbe gbg gbh gbi gbo gbp gbr gbs gbt gcb gcc gce gcg gch gci gco gcp gcr gcs gct ge- geb gec gee geg geh gei geo gep ger ges get ggb ggc ggg ggh ggi ggo ggp ggr ggs ggt ghb ghc ghe ghg ghh ghi gho ghp ghr ghs ght gib gic gie gig gih gii gio gip gir gis git gob goc goe gog goh goi goo gop gor gos got gpb gpc gpe gpg gph gpi gpo gpp gpr gps gpt grb grc gre grg grh gri gro grp grr grs grt gsb gsc gse gsg gsi gso gsp gsr gss gst gtb gtc gte gtg gth gti gto gtp gtr gts gtt h-i hbb hbc hbe hbg hbh hbi hbo hbp hbr hbs hbt hcb hcc hce hcg hch hci hco hcp hcr hcs hct he- heb hec hee heg heh hei heo hep her hes het hgb hgc hge hgg hgh hgi hgo hgp hgr hgs hgt hhb hhc hhe hhg hhh hhi hho hhp hhr hhs hht hib hic hie hig hih hii hio hip hir his hit hob hoc hoe hog hoh hoi hoo hop hor hos hot hpb hpc hpe hpg hph hpi hpo hpp hpr hps hpt hr- hrb hrc hre hrg hrh hri hro hrp hrr hrs hrt hsb hsc hse hsg hsh hsi hsp hsr hss hst htb htc hte htg hth hti hto htp htr hts htt ibb ibc ibe ibg ibh ibi ibo ibp ibr ibs ibt icb icc ice icg ich ici ico icp icr ics ict ie- iec iee ieg iei iep ier ies iet igb igc ige igg igh igi igo igp igr igs igt ihb ihc ihe ihg ihh ihi iho ihp ihr ihs iht iib iic iie iih iii iio iip iir iis iit io- iob ioc ioe iog ioh ioi ioo iop ior ios iot ipb ipc ipe ipg ipi ipo ipp ipr ips ipt ir- irb irc ire irg iri iro irp irr irs irt is- isb isc ise isg ish isi iso isp isr iss ist itb itc ite itg ith iti ito itp its itt o-i ob- obb obc obe obg obh obi obo obp obr obs obt oc- ocb occ ocg och oci oco ocp ocr ocs oct oeb oec oee oeg oeh oei oeo oep oer oes oet ogc oge ogg ogh ogi ogo ogp ogs ogt ohc ohe ohg ohh ohi oho ohp ohr ohs oht oib oic oie oii oio oip oir ois oit oo- oob ooc oog ooh ooi ooo oop oor oos oot op- opb opc ope opg oph opi opo opp opr ops opt or- orb orc ore org orh ori oro orp orr ors ort os- osb osc ose osg osh osi oso osp osr oss ost ot- otb otc ote otg oth oti oto otp otr ots ott p-p pbb pbc pbe pbg pbi pbo pbp pbr pbs pbt pcb pcc pce pcg pch pci pco pcp pcr pcs pct peb pec pee peg peh pei peo pep per pes pet pgb pgc pge pgg pgh pgi pgo pgp pgr pgs pgt phb phc phe phg phi pho php phr phs pht pib pic pie pig pih pii pio pip pir pis pit pob poc poe pog poh poi poo pop por pos pot ppb ppc ppe ppg pph ppi ppo ppp ppr pps ppt prb prc pre prg prh pri pro prp prr prs prt ps- psb psc pse psg psh psi pso psp psr pss pst pt- ptb ptc pte ptg pth pti pto ptp ptr pts ptt rbb rbc rbe rbg rbh rbi rbo rbp rbr rbs rbt rcb rcc rce rcg rch rci rco rcp rcr rcs rct