-er -ic b-p bbb bbc bbe bbh bbi bbo bbp bbr bbs bcb bcc bce bch bci bco bcp bcr bcs be- beb bec bee beh bei beo bep ber bes bhb bhc bhe bhh bhi bho bhp bhr bhs bi- bib bic bie bih bii bio bip bir bis bob boc boe boh boi boo bop bor bos bpb bpc bpe bph bpi bpo bpp bpr bps brb bre brh bri bro brp brr brs bsb bsc bse bsh bsi bso bsp bsr bss c-- cbb cbc cbe cbh cbi cbo cbp cbr cbs ccb ccc cce cch cci cco ccp ccr ccs ce- ceb cec cee ceh cei ceo cep cer ces ch- chb chc che chh chi cho chp chr chs ci- cib cic cie cih cii cio cip cir cis co- cob coc coe coh coi coo cop cor cos cpb cpc cpe cph cpi cpo cpp cpr cps crb crc cre crh cri cro crp crr crs csb csc cse csh csi cso csp csr css ebb ebc ebe ebh ebi ebo ebp ebr ebs ec- ecb ecc ece ech eci eco ecr ecs eeb eec eee eeo eep eer ees ehb ehc ehe ehh ehi eho ehp ehr ehs eib eic eie eii eio eip eir eis eo- eob eoc eoe eoh eoi eoo eop eor eos ep- epb epc epe eph epi epo epp epr eps erb erc ere erh eri ero erp err ers es- esb esc ese esh esi eso esp esr ess h-i hbb hbc hbe hbh hbi hbo hbp hbr hbs hcb hcc hce hch hci hco hcp hcr hcs he- heb hec hee heh hei heo hep her hes hhb hhc hhe hhh hhi hho hhp hhr hhs hib hic hie hih hii hio hip hir his hob hoc hoe hoh hoi hoo hop hor hos hpb hpc hpe hph hpi hpo hpp hpr hps hr- hrb hrc hre hrh hri hro hrp hrr hrs hsb hsc hse hsh hsi hsp hsr hss ibb ibc ibe ibh ibi ibo ibp ibr ibs icb icc ice ich ici ico icp icr ics ie- iec iee iei iep ier ies ihb ihc ihe ihh ihi iho ihp ihr ihs iib iic iie iih iii iio iip iir iis io- iob ioc ioe ioh ioi ioo iop ior ios ipb ipc ipe ipi ipo ipp ipr ips ir- irb irc ire iri iro irp irr irs is- isb isc ise ish isi iso isp isr iss o-i ob- obb obc obe obh obi obo obp obr obs oc- ocb occ och oci oco ocp ocr ocs oeb oec oee oeh oei oeo oep oer oes ohc ohe ohh ohi oho ohp ohr ohs oib oic oie oii oio oip oir ois oo- oob ooc ooh ooi ooo oop oor oos op- opb opc ope oph opi opo opp opr ops or- orb orc ore orh ori oro orp orr ors os- osb osc ose osh osi oso osp osr oss p-p pbb pbc pbe pbi pbo pbp pbr pbs pcb pcc pce pch pci pco pcp pcr pcs peb pec pee peh pei peo pep per pes phb phc phe phi pho php phr phs pib pic pie pih pii pio pip pir pis pob poc poe poh poi poo pop por pos ppb ppc ppe pph ppi ppo ppp ppr pps prb prc pre prh pri pro prp prr prs ps- psb psc pse psh psi pso psp psr pss rbb rbc rbe rbh rbi rbo rbp rbr rbs rcb rcc rce rch rci rco rcp rcr rcs re- reb rec ree reh rei reo rep rer res rh- rhb rhc rhe rhh rhi rho rhp rhr rhs rib ric rie rih rii rio rip rir ris rob roc roe roh roi roo rop ror ros rpb rpc rpe rph rpi rpo rpp rpr rps rrb rrc rrh rri rrp rrr rrs rsb rsc rse rsh rsi rso rsp rsr rss sbb sbc sbe sbh sbi sbo sbp sbr sbs scb scc sce sch sci sco scp scr scs se- seb sec see seh sei seo sep ser ses sh- shb shc she shh shi sho shp shr shs sib sic sie sih sii sio sip sir sis sob soc soe soh soi soo sop sor sos spb spc spe sph spi spo spp spr sps sr- srb src sre srh sri sro srp srr srs ss- ssb ssc sse ssh ssi sso ssp ssr sss

-ose bbbb bbbs bbch bbci bbeb bbhs bbpr bbrc bcbc bcbp bcbs bccc bcci bccs bcec bcer bces bche bchs bcie bcis bcor bcos bcpp bcps bcrs bcsc bcss bebb bebe bebi bebo bech beci becs beeb beep beer bees behr behs beic beir beis beo- beor beos bepo berc bere beri bero berr bers bes- bese besh beso bess bhcc bher bhhs bhie bhir bhoi bhor bibb bibe bibi bibo bibs bicc bice bich bici bico bics bieb bier bies bihe bihi bihs biis bio- bioc bioi bios bipp bips birb bire biri biro birr birs bis- bisc bise bish biso bisp biss bobb bobe bobi bobo bobs boce boch boco bocs boec boee boeo boep boer boes boho bohr bohs boi- boie boii bois boob booc booe booh boop boor boos bope bopp bops bor- bore borh bori boro borr bors bosc bose bosh bosi boso boss bpcp bphc bphs bpoe bprc brcb brce breb brec bree brei breo brep brer bres brhs bric brie brih brio bris brob broc broe broh broo bror bros brrr brrs brsb brsr bsci bscp bscs bseb bsec bsee bser bses bshs bsic bsos bspp bspr bssc bsse c-bo cbbc cbbs cbcc cbce cbcp cbcr cbcs cbec cbee cber cbhs cbir cbpc cbpp cbre cbrh cbsc cbse cbsi ccbc cccb cccc ccci cccp cccs ccee cche cchp cchr cchs ccic ccii ccip ccir ccis ccob ccoc ccpe ccpp ccpr ccps ccrc ccre ccri ccrp ccrs ccsi ccsp ccss cebp cebs cec- cece ceci ceco cecp cecs