-th bbb bbc bbe bbh bbo bbs bbt bcb bcc bce bch bco bcs bct be- beb bec bee beh beo bes bet bhb bhc bhe bhh bho bhs bht bob boc boe boh boo bos bot bsb bsc bse bsh bso bss bst btb btc bte bth bto bts btt c-- cbb cbc cbe cbh cbo cbs cbt ccb ccc cce cch cco ccs cct ce- ceb cec cee ceh ceo ces cet ch- chb chc che chh cho chs cht co- cob coc coe coh coo cos cot csb csc cse csh cso css cst ctb ctc cte cth cto cts ctt ebb ebc ebe ebh ebo ebs ebt ec- ecb ecc ece ech eco ecs ect eeb eec eee eeo ees eet ehb ehc ehe ehh eho ehs eht eo- eob eoc eoe eoh eoo eos eot es- esb esc ese esh eso ess est etb etc ete eth eto ets ett hbb hbc hbe hbh hbo hbs hbt hcb hcc hce hch hco hcs hct he- heb hec hee heh heo hes het hhb hhc hhe hhh hho hhs hht hob hoc hoe hoh hoo hos hot hsb hsc hse hsh hss hst htb htc hte hth hto hts htt ob- obb obc obe obh obo obs obt oc- ocb occ och oco ocs oct oeb oec oee oeh oeo oes oet ohc ohe ohh oho ohs oht oo- oob ooc ooh ooo oos oot os- osb osc ose osh oso oss ost ot- otb otc ote oth oto ots ott sbb sbc sbe sbh sbo sbs sbt scb scc sce sch sco scs sct se- seb sec see seh seo ses set sh- shb shc she shh sho shs sht sob soc soe soh soo sos sot ss- ssb ssc sse ssh sso sss sst stb stc ste sth sto sts stt tbb tbc tbe tbh tbo tbs tbt tcb tcc tce tch tco tcs tct te- teb tec tee teh teo tes tet th- thb thc the thh tho ths tht to- tob toc toe toh too tos tot tsb tsc tse tsh tso tss tst ttb ttc tte tth tto tts ttt

-ose bbbb bbbs bbch bbeb bbet bbhs bcbc bcbs bccc bccs bcec bces bcet bche bchs bcos bcsc bcss bctc bcts bebb bebe bebo bech becs beeb bees beet behs beo- beos beot bes- bese besh beso bess best betc bete beth beto bets bett bhcc bhet bhhs bhot bobb bobe bobo bobs boce boch boco bocs boec boee boeo boes boet boho bohs boht boob booc booe booh boos boot bosc bose bosh boso boss bost botb bote both boto bots bott bscs bseb bsec bsee bses bset bshs bsos bssc bsse bsts btcc btcs btec bths btob btss bttb c-bo cbbc cbbs cbcc cbce cbcs cbct cbec cbee cbet cbhs cbot cbsc cbse cbtc ccbc cccb cccc cccs ccee cche cchs ccob ccoc ccss ccst cctb cctc cctt cebs cec- cece ceco cecs cect ceeb ceec cees cehs ceos cesc cese cess cest cet- cete ceto cets chce chch chcs cheb chec chee cheh ches chet chhs choc choh choo chos chsc chse chsh chst chto chtt cobb cobe cobh cobo cobs coce coch coco coct coes coho cohs coob cooh coos coot cosc cose cosh coso coss cost cotb cotc cote coth coto cots cott cscb cscc csce csch csco cscs csec csee cseh cset cshs csob csos csot csse cstc csto csts ctbs ctec cths ctos ctot ctsc ctss ctts ebbc ebbo ebbs ebcc ebes ebhs eboe eboo ebos ecbc ecbe eccb eccc ecce ecco ecct eces eche echo echs echt eco- ecos ecot ecsc ecse ecss ect- ectc ecth ecto ects eecs eeee eees eehs eeoc eese eetc eete eeth eets ehcc eheh ehhs ehte eoes eost eotc eoto eots esbo esbs escb esce esch esco escs esee eseo eses eset eshs eso- esos esse essh esso esst estc este esth esto ests etbc etcc etch etco etcs etec etee etes eth- ethe etho eths etoe etoh etos ette etto hbbs hbes hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hcst hebb hebe hebo hech hecs hect heeb hees heet hehe heho hehs hesc hesh hess hest hete heth heto hets hett hhhh hhhs hobe hobo hobs hoce hoch hocs hoes hohe hoho hooe hoos hoot hose hosh hoss host hotb hote hoth hoto hots hott hsbc hscc hsct hses hset hshs hsob hsse hste hsts htcc htet hths htoh htsc o-eo obbo obec obes obet obhs oboe obos obot obss obst obts ocbc occc occt oce ocee ocet oche ochs ocht ocos oct- octe octo octs oec- oecc oeec oese oest ohbe ohcc ohee ohho ohhs ohob ohoh ohos ohso ohss ohte ohto oobe ooes ooho oohs oooh oooo ooos oose oost ootb oots osbe oscc osce osco osec osee oseh oses oset oshc oshe osho oshs osoo osos ossb osse osso ostc oste osts otbs otee otes othe otho oths oto- otoe otoh otoo otos otse otso otte otto otts s-os sbbs sbcc sbcs sbct sbhc sbhs sbot sbse sbst sbtc sccc scce sccs scct scec scee scet sch- sche schh scho schs scob scoh scoo scot scsc scsh scso scst sctc scto scts se-c se-e se-h se-o se-s se-t sebe sebo sebs sebt sec- secc sece sech seco secs sect seeb seec seeh sees seet sehe sehs seoc sesc sese sesh seso sess sest set- setc sete seth seto sets sett shbs shbt shcc she- sheb shee sheh sheo shes shet shhh shhs shoe shoo shos shot shsc shts sobe sobo sobs sobt soce soch soco socs soec soeo soes sohh soho sohs soos soot sose sosh soso soss sost sotc sote soth soto sots sscc ssce sscs ssec ssee sses sset sshs ssoc ssot sssb sssc sssh ssss sstb sstc ssth ssts stbc stbs stcc stch stcs stec stee steo stes stet sths stob stoe stoo stos stot stss sttc tbbs tbcb tbcc tbce tbhs tbst