-er bbb bbc bbe bbh bbo bbr bbs bcb bcc bce bch bco bcr bcs be- beb bec bee beh beo ber bes bhb bhc bhe bhh bho bhr bhs bob boc boe boh boo bor bos brb bre brh bro brr brs bsb bsc bse bsh bso bsr bss c-- cbb cbc cbe cbh cbo cbr cbs ccb ccc cce cch cco ccr ccs ce- ceb cec cee ceh ceo cer ces ch- chb chc che chh cho chr chs co- cob coc coe coh coo cor cos crb crc cre crh cro crr crs csb csc cse csh cso csr css ebb ebc ebe ebh ebo ebr ebs ec- ecb ecc ece ech eco ecr ecs eeb eec eee eeo eer ees ehb ehc ehe ehh eho ehr ehs eo- eob eoc eoe eoh eoo eor eos erb erc ere erh ero err ers es- esb esc ese esh eso esr ess hbb hbc hbe hbh hbo hbr hbs hcb hcc hce hch hco hcr hcs he- heb hec hee heh heo her hes hhb hhc hhe hhh hho hhr hhs hob hoc hoe hoh hoo hor hos hr- hrb hrc hre hrh hro hrr hrs hsb hsc hse hsh hsr hss ob- obb obc obe obh obo obr obs oc- ocb occ och oco ocr ocs oeb oec oee oeh oeo oer oes ohc ohe ohh oho ohr ohs oo- oob ooc ooh ooo oor oos or- orb orc ore orh oro orr ors os- osb osc ose osh oso osr oss rbb rbc rbe rbh rbo rbr rbs rcb rcc rce rch rco rcr rcs re- reb rec ree reh reo rer res rh- rhb rhc rhe rhh rho rhr rhs rob roc roe roh roo ror ros rrb rrc rrh rrr rrs rsb rsc rse rsh rso rsr rss sbb sbc sbe sbh sbo sbr sbs scb scc sce sch sco scr scs se- seb sec see seh seo ser ses sh- shb shc she shh sho shr shs sob soc soe soh soo sor sos sr- srb src sre srh sro srr srs ss- ssb ssc sse ssh sso ssr sss

-ose bbbb bbbs bbch bbeb bbhs bbrc bcbc bcbs bccc bccs bcec bcer bces bche bchs bcor bcos bcrs bcsc bcss bebb bebe bebo bech becs beeb beer bees behr behs beo- beor beos berc bere bero berr bers bes- bese besh beso bess bhcc bher bhhs bhor bobb bobe bobo bobs boce boch boco bocs boec boee boeo boer boes boho bohr bohs boob booc booe booh boor boos bor- bore borh boro borr bors bosc bose bosh boso boss brcb brce breb brec bree breo brer bres brhs brob broc broe broh broo bror bros brrr brrs brsb brsr bscs bseb bsec bsee bser bses bshs bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbhs cbre cbrh cbsc cbse ccbc cccb cccc cccs ccee cche cchr cchs ccob ccoc ccrc ccre ccrs ccss cebs cec- cece ceco cecs ceeb ceec cees cehs ceor ceos cer- cerc cere cero cers cesc cese cesr cess chce chch chcs cheb chec chee cheh cher ches chhs choc choh choo chor chos chrb chrc chro chrr chrs chsc chse chsh chsr cobb cobe cobh cobo cobs coce coch coco coes coho cohs coob cooh coos cor- corb corc core coro corr cors cosc cose cosh coso coss crbc crcc crce crcr cre- creb crec cree creh creo cres crhs crob croc croe croh croo cror crss cscb cscc csce csch csco cscr cscs csec csee cseh cser cshs csob csor csos csrc csrs csse cssr ebbc ebbo ebbr ebbs ebcc eber ebes ebhs eboe eboo ebor ebos ebro ecbc ecbe eccb eccc ecce ecco eces eche echo echs eco- ecos ecrc ecrr ecsc ecse ecss eecs eeee eees eehs eeoc eerc eero eers eese ehcc eheh eher ehhs ehre eoes eore erbb erbe ercc erce erch ereb erec erer eres erhc erhs erob eroc eroe eroo eros errc erre erro errs erse ersh erso esbo esbs escb esce esch esco escr escs esee eseo eser eses eshs eso- esos esse essh esso hbbs hbes hbhs hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hebb hebe hebo hebr hech hecs heeb heer hees hehe heho hehs heor herb herc here hero herr hers hesc hesh hess hhhh hhhs hobe hobo hobs hoce hoch hocr hocs hoer hoes hohe hoho hooe hoor hoos horc hore horo horr hors hose hosh hoss hree hrhs hrob hros hrrc hrso hsbc hscc hses hshs hsob hsse o-eo obbo obec ober obes obhs oboe obor obos obre obrh obro obsr obss ocbc occc oce ocee oche ochs ocos ocre ocro ocrr ocrs oec- oecc oeec oere oers oese ohbe ohcc ohee oher ohho ohhs ohob ohoh ohos ohre ohso ohss oobe oocr ooer ooes ooho oohs oooh oooo ooos oore oose orbb orbe orbo orbs orce orch orco orcs ore- oreb orec oreh oreo orer ores orhe orhs oro- oroe oror oros orro orrs orse orso osbe oscc osce osco osec osee oseh oser oses oshc oshe osho oshs osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbhs rboh rbss rcbc rcbo rccb rccc rccs rchb rchs rcos rcsc rcss rebb rebe rebo rebs recc rece rech recr recs reeb rees rehb rehe rehs reos rere rero rers rese resh reso ress rhce rheb rhee rheo rhes rhhs rhob rhoc rhoh rhos rob- robb robe robo robs rocc roce roch roco rocs roer roes rohe rohr rohs roob roor roos rorc rore roro rosc rose rosh roso ross rrhs rrrr rscc rsch rscs rsee rshs rsos rsre s-os sbbs sbcc sbcs sber sbhc sbhs sbor sbse sccc scce sccs scec scee scer sch- sche schh scho schr schs scob scoh scoo scor scr- scrc scre scrs scsc scsh scso scsr se-c se-e se-h se-o se-s sebe sebo sebs sec- secc sece sech seco secr secs seeb seec seeh