-ic -th bbb bbc bbh bbi bbo bbs bbt bcb bcc bch bci bco bcs bct bhb bhc bhh bhi bho bhs bht bi- bib bic bih bii bio bis bit bob boc boh boi boo bos bot bsb bsc bsh bsi bso bss bst btb btc bth bti bto bts btt c-- cbb cbc cbh cbi cbo cbs cbt ccb ccc cch cci cco ccs cct ch- chb chc chh chi cho chs cht ci- cib cic cih cii cio cis cit co- cob coc coh coi coo cos cot csb csc csh csi cso css cst ctb ctc cth cti cto cts ctt h-i hbb hbc hbh hbi hbo hbs hbt hcb hcc hch hci hco hcs hct hhb hhc hhh hhi hho hhs hht hib hic hih hii hio his hit hob hoc hoh hoi hoo hos hot hsb hsc hsh hsi hss hst htb htc hth hti hto hts htt ibb ibc ibh ibi ibo ibs ibt icb icc ich ici ico ics ict ihb ihc ihh ihi iho ihs iht iib iic iih iii iio iis iit io- iob ioc ioh ioi ioo ios iot is- isb isc ish isi iso iss ist itb itc ith iti ito its itt o-i ob- obb obc obh obi obo obs obt oc- ocb occ och oci oco ocs oct ohc ohh ohi oho ohs oht oib oic oii oio ois oit oo- oob ooc ooh ooi ooo oos oot os- osb osc osh osi oso oss ost ot- otb otc oth oti oto ots ott sbb sbc sbh sbi sbo sbs sbt scb scc sch sci sco scs sct sh- shb shc shh shi sho shs sht sib sic sih sii sio sis sit sob soc soh soi soo sos sot ss- ssb ssc ssh ssi sso sss sst stb stc sth sti sto sts stt tbb tbc tbh tbi tbo tbs tbt tcb tcc tch tci tco tcs tct th- thb thc thh thi tho ths tht tib tic tih tii tio tis tit to- tob toc toh toi too tos tot tsb tsc tsh tsi tso tss tst ttb ttc tth tti tto tts ttt

bbbb bbbs bbch bbci bbhs bcbc bcbs bccc bcci bccs bchs bcis bcit bcos bcsc bcss bctc bcts bhcc bhhs bhit bhoi bhot bibb bibi bibo bibs bicc bich bici bico bics bihi bihs biis bio- bioc bioi bios biot bis- bisc bish biso biss bist bitc bith bito bits bitt bobb bobi bobo bobs boch boco bocs boho bohs boht boi- boii bois boit boob booc booh boos boot bosc bosh bosi boso boss bost botb both boti boto bots bott bsci bscs bshs bsic bsos bssc bsts btcc btcs bths btob btss bttb c-bo cbbc cbbs cbcc cbcs cbct cbhs cbit cbot cbsc cbsi cbtc ccbc cccb cccc ccci cccs cchs ccic ccii ccis ccob ccoc ccsi ccss ccst cctb cctc cctt chch chci chcs chhs chib chic chih chis chit choc choh choi choo chos chsc chsh chsi chst chto chtt cibc cibi cibo cicc cich cici cico cics cict cihs ciht ciii ciis ciit ciob cios cis- cisc cish ciss cist citb cith citi cito cits citt cobb cobh cobi cobo cobs coch coco coct coho cohs cois coit coob cooh coos coot cosc cosh cosi coso coss cost cotb cotc coth coti coto cots cott cscb cscc csch csci csco cscs cshs csib csio csis csit csob csos csot cstc csto csts ctbi ctbs cths ctic ctos ctot ctsc ctss ctts h-ii hbbs hbhs hbic hbio hbit hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcso hcss hcst hhhh hhhs hi-c hibi hibt hicc hich hico hics hihc hihi hiho hiht hiis hiit hiob hioc hisb hish hiss hist hitc hiti hito hits hitt hobo hobs hoch hocs hoho hois hoit hoos hoot hosh hoss host hotb hoth hoti hoto hots hott hsbc hscc hsci hsct hshs hsob hsts htcc hths htoh htsc ibcs ibis ibos ibot ibss ibtb ibtc ibts icbc icbs iccb iccc icci icco iccs icct ichc ichi icho ichs icis icoc icos icsb icsc icsh icsi icss icst icts ihcc ihis ihit ihob ihss ihtc iiht iiii iiio iiis iiit iioi iioo iios iisc iisi iist iitt iobi ioci ioii ioio ioit iooi iooo ioos ioso ioto isbt iscc isch isci isco iscs isct ishi ishs isic isis isit iso- isoc isos issc issh issi isso isss istc isth isti isto ists itbs itch itcs ithc iths itic itis itoh itoi itoo itos itsi itso itto obbo obhs obis obit oboi obos obot obss obst obts ocbc occc occi occt ochi ochs ocht ocis ocos oct- octi octo octs ohcc ohhi ohho ohhs ohio ohis ohob ohoh ohos ohso ohss ohto oici oiii oios oisc oist oitc oiti oobi ooho oohs oooh oooo ooos oosi oost ootb oots oscc osci osco oshc oshi osho oshs osii osis osoi osoo osos ossb ossi osso ostc osti osts otbs otho oths otic otis otit oto- otoh otoo otos otso otti otto otts s-ib s-ic s-ii s-os sbbs sbcc sbcs sbct sbhc sbhs sbic sbot sbsi sbst sbtc scbi sccc sccs scct sch- schh schi scho schs sci- scic scio scis scit scob scoh scoo scot scsc scsh scsi scso scst sctc scto scts shbs shbt shcc shhh shhs shib shih shii shio shis shit shoo shos shot shsc shts sibc sibi sibo sibs sicc sich sici sico sics sihi sihs siht siit sios siot sisc sish sisi siss sist sit- sitc sith siti sito sits sitt sobo sobs sobt soch soci soco socs sohh soho sohs soic sois soit soos soot sosh sosi soso soss sost sotc soth soto sots sscc ssci sscs sshs ssis ssit ssoc ssot sssb sssc sssh sssi ssss sstb sstc ssth ssts stbc stbs stcc stch stcs sths stib stic stih stio stis stit stob stoo stos stot stsi stss sttc tbbs tbcb tbcc tbhs tbit tbst tcbs tccc tch- tchh tchi tcho