-er bbb bbc bbe bbg bbo bbr bbs bcb bcc bce bcg bco bcr bcs be- beb bec bee beg beo ber bes bgb bgc bge bgg bgo bgr bgs bob boc boe bog boo bor bos brb bre brg bro brr brs bsb bsc bse bsg bso bsr bss c-- cbb cbc cbe cbg cbo cbr cbs ccb ccc cce ccg cco ccr ccs ce- ceb cec cee ceg ceo cer ces cgb cgc cge cgg cgo cgr cgs co- cob coc coe cog coo cor cos crb crc cre crg cro crr crs csb csc cse csg cso csr css ebb ebc ebe ebg ebo ebr ebs ec- ecb ecc ece ecg eco ecr ecs eeb eec eee eeg eeo eer ees egb egc ege egg ego egr egs eo- eob eoc eoe eog eoo eor eos erb erc ere erg ero err ers es- esb esc ese esg eso esr ess gbc gbe gbg gbo gbr gbs gcb gcc gce gcg gco gcr gcs ge- geb gec gee geg geo ger ges ggb ggc ggg ggo ggr ggs gob goc goe gog goo gor gos grb grc gre grg gro grr grs gsb gsc gse gsg gso gsr gss ob- obb obc obe obg obo obr obs oc- ocb occ ocg oco ocr ocs oeb oec oee oeg oeo oer oes ogc oge ogg ogo ogs oo- oob ooc oog ooo oor oos or- orb orc ore org oro orr ors os- osb osc ose osg oso osr oss rbb rbc rbe rbg rbo rbr rbs rcb rcc rce rcg rco rcr rcs re- reb rec ree reg reo rer res rgb rgc rge rgg rgo rgr rgs rob roc roe rog roo ror ros rrb rrc rrg rrr rrs rsb rsc rse rsg rso rsr rss sbb sbc sbe sbg sbo sbr sbs scb scc sce scg sco scr scs se- seb sec see seg seo ser ses sgb sgc sge sgg sgo sgr sgs sob soc soe sog soo sor sos sr- srb src sre srg sro srr srs ss- ssb ssc sse ssg sso ssr sss

-ose bbbb bbbs bbeb bbrc bbrg bcbc bcbg bcbs bccc bccs bcec bcer bces bcgs bcor bcos bcrs bcsc bcss bebb bebe bebo becs beeb beeg beer bees begg bego begs beo- beor beos berc bere berg bero berr bers bes- bese beso bess bggs bobb bobe bobo bobs boce boco bocs boec boee boeo boer boes boge bogg bogo bogs boob booc booe boog boor boos bor- bore borg boro borr bors bosc bose boso boss brcb brce breb brec bree breg breo brer bres brob broc broe brog broo bror bros brrr brrs brsb brsr bscs bseb bsec bsee bseg bser bses bsgs bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbgb cbre cbsc cbse ccbc cccb cccc cccs ccee ccgc ccgs ccob ccoc ccrc ccre ccrg ccrs ccsg ccss cebs cec- cece ceco cecs ceeb ceec cees cege cego ceor ceos cer- cerc cere cero cers cesc cese cesg cesr cess cgcc cgcg cger cges cggs cgro cgsb cgss cobb cobe cobo cobs coce coco coes cogo cogs coob coos cor- corb corc core corg coro corr cors cosc cose coso coss crbc crcc crce crcr cre- creb crec cree creg creo cres crgs crob croc croe croo cror crss cscb cscc csce csco cscr cscs csec csee cser csob csor csos csrc csrs csse cssr ebbc ebbo ebbr ebbs ebcc eber ebes eboe eboo ebor ebos ebro ecbc ecbe eccb eccc ecce ecco eces ecgs eco- ecog ecos ecrc ecrr ecsc ecse ecss eecs eeee eees eegs eeoc eerc eerg eero eers eese egbe egcc egcg egcr egec egee eger eggb egge eggo eggs ego- egor egos egre egsc egss eoes eore erbb erbe ercc erce ereb erec erer eres erg- ergg ergo ergs erob eroc eroe eroo eros errc erre erro errs erse erso esbo esbs escb esce esco escr escs esee eseo eser eses eso- esos esse essg esso gbbo gbbs gc-c gcbc gccc gccs gcos gcrg gcse gcss gebe gece geer gees gege gegg gego geo- geog geos gerb gere gero gers gesg geso gess gggg ggss gobe gobo gobs goce gocr goer goes gogo gogs goog goor goos gorb gore gorg goro gorr gors gose goso goss grbr grcc grce greb grec gree greg gres grob groc grog groo gror gros grrr grrs grss gsoc gsos gsse o-eo obbo obec ober obes oboe obor obos obre obro obsr obss ocbc occc oce ocee ocos ocre ocro ocrr ocrs oec- oecc oeec oegb oere oers oese ogb ogbe ogee oger ogge ogog ogre ogro oobe oocr ooer ooes oooo ooos oore oose orbb orbe orbo orbs orce orco orcs ore- oreb orec oreg oreo orer ores orge orgo orgs oro- oroe oror oros orro orrs orse orso osbe oscc osce osco osec osee oser oses osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbss rcbc rcbo rccb rccc rccs rcgc rcos rcrg rcsc rcss rebb rebe rebo rebs recc rece recr recs reeb rees rege rego regr regs reog reos rere rerg rero rers rese reso ress rgbe rob- robb robe robo robs rocc roce roco rocs roeg roer roes roge rogg rogo roob roog roor roos rorc rore roro rosc rose roso ross rrrr rscc rscs rsee rsgb rsgc rsos rsre s-os sbbs sbcc sbcs sber sbor sbse sccc scce sccs scec scee sceg scer scgs scob scog scoo scor scr- scrc scre scrs scsc scso scsr se-c se-e se-g se-o se-s sebe sebo sebs sec- secc sece secg seco secr secs seeb seec seeg seer sees sege segg sego segs seoc serb serc sere serg sero serr sers sesc sese seso sess sgcb sgce sgcg sger sges sggg sggs sgro sgss sobe sobo sobr sobs soce soco socr socs soec soeo soes sogo sogs soog soor soos sorb sore sorg soro sorr sors sose soso soss srbc srcc sreb srec sreo sres