-ic b-u bbb bbc bbd bbg bbi bbo bbs bbt bbu bcb bcc bcd bcg bci bco bcs bct bcu bdb bdc bdd bdg bdi bdo bds bdt bdu bgb bgc bgd bgg bgi bgo bgs bgt bgu bi- bib bic bid big bii bio bis bit biu bob boc bod bog boi boo bos bot bou bsb bsc bsd bsg bsi bso bss bst bsu btb btc btd btg bti bto bts btt btu bub buc bud bug bui buo bus but buu c-- cbb cbc cbd cbg cbi cbo cbs cbt cbu ccb ccc ccd ccg cci cco ccs cct ccu cdb cdc cdd cdg cdi cdo cds cdt cdu cgb cgc cgd cgg cgi cgo cgs cgt cgu ci- cib cic cid cig cii cio cis cit ciu co- cob coc cod cog coi coo cos cot cou csb csc csd csg csi cso css cst csu ctb ctc ctd ctg cti cto cts ctt ctu cub cuc cud cug cui cuo cus cut cuu dbb dbc dbd dbg dbi dbo dbs dbt dbu dcb dcc dcd dcg dci dco dcs dct dcu ddb ddc ddd ddg ddi ddo dds ddt ddu dgc dgd dgg dgi dgs dgt dgu di- dib dic did dig dii dio dis dit diu dob doc dod dog doi doo dos dot dou dsb dsc dsd dsg dsi dso dss dst dsu dtb dtc dtd dtg dti dto dts dtt dtu dub duc dud dug dui duo dus dut g-d gbc gbd gbg gbi gbo gbs gbt gbu gcb gcc gcd gcg gci gco gcs gct gcu gdb gdc gdd gdi gdo gds gdt gdu ggb ggc ggd ggg ggi ggo ggs ggt ggu gib gic gid gig gii gio gis git giu gob goc god gog goi goo gos got gou gsb gsc gsd gsg gsi gso gss gst gsu gtb gtc gtd gtg gti gto gts gtt gtu gu- gub guc gud gug gui guo gus gut guu i-d ibb ibc ibd ibg ibi ibo ibs ibt ibu icb icc icd icg ici ico ics ict icu idb idc idd idg idi ido ids idt idu igb igc igd igg igi igo igs igt igu iib iic iid iii iio iis iit iiu io- iob ioc iod iog ioi ioo ios iot iou is- isb isc isd isg isi iso iss ist isu itb itc itd itg iti ito its itt itu iu- iub iuc iud iug iui ius iut o-i ob- obb obc obd obg obi obo obs obt obu oc- ocb occ ocd ocg oci oco ocs oct ocu odb odc odd odg odi odo ods odt odu ogc ogd ogg ogi ogo ogs ogt oib oic oid oii oio ois oit oiu oo- oob ooc ood oog ooi ooo oos oot os- osb osc osd osg osi oso oss ost osu ot- otb otc otd otg oti oto ots ott otu ou- ouc oud oui ouo ous out sbb sbc sbd sbg sbi sbo sbs sbt sbu scb scc scd scg sci sco scs sct scu sdb sdc sdd sdg sdi sdo sds sdt sdu sgb sgc sgd sgg sgi sgo sgs sgt sgu sib sic sid sig sii sio sis sit siu sob soc sod sog soi soo sos sot sou ss- ssb ssc ssd ssg ssi sso sss sst ssu stb stc std stg sti sto sts stt stu sub suc sud sug sui suo sus sut suu tbb tbc tbd tbg tbi tbo tbs tbt tbu tcb tcc tcd tcg tci tco tcs tct tcu tdb tdc tdd tdg tdi tdo tds tdt tdu tgb tgc tgg tgi tgo tgs tgt tgu tib tic tid tig tii tio tis tit tiu to- tob toc tod tog toi too tos tot tou tsb tsc tsd tsg tsi tso tss tst tsu ttb ttc ttd ttg tti tto tts ttt ttu tub tuc tud tug tui tuo tus tut tuu ubb ubc ubg ubi ubo ubs ubt ubu ucb ucc ucd ucg uci uco ucs uct ucu udb udc udd udg udi udo uds udt udu ugb ugc ugg ugi ugo ugs ugt ugu uib uic uid uig uii uio uis uit uiu uob uoc uod uog uoo uos uot usb usc usd usg usi uso uss ust usu utb utc utd uti uto uts utt utu uuc uug uus uut uuu

-ous bbbb bbbs bbci bbdd bbdo bcbc bcbg bcbs bccc bcci bccs bcds bcgs bcis bcit bcos bcsc bcss bctc bcts bcuc bdbc bddc bdii bdog bdos bdsd bggs bgst bibb bibi bibo bibs bicc bicg bici bico bics bidi bido bids bidu bigb bigc bigd bigg bigo bigs bigt bigu biis bio- bioc biog bioi bios biot biou bis- bisc bisd biso biss bist bisu bitc bitd bito bits bitt bitu bobb bobi bobo bobs bobu boco bocs bocu bodb bodi bodo bods bodu bogd bogg bogi bogo bogs bogt boi- boid boii bois boit boiu boob booc bood boog boos boot bosc bosi boso boss bost bosu botb botd boti boto bots bott boud bous bout bsbd bsci bscs bsgs bsic bsod bsos bssc bssd bsts btcc btcs btdt btob btss bttb btus bubb bubi bubo bubs bubu bucc buci buco bucs bucu budb budd budg budi budo buds budu bugg bugi bugo bugs buic buid buis buit buiu busc busi buss bust busu but- buti buto buts butt buus c-bo c-cd cbbc cbbs cbcc cbcs cbct cbcu cbdb cbdc cbdi cbdo cbds cbgb cbid cbit cbot cbsc cbsi cbtc cbus ccbc cccb cccc ccci cccs cccu ccdc ccdi ccds ccgc ccgs ccgt ccic ccid ccii ccis ccob ccoc ccod ccsd ccsg ccsi ccss ccst cctb cctc cctt ccuc ccus ccut cdcs cddb cdic cdii cdio cdis cdos cdot cdss cgcc cgcg cggs cgis cgsb cgss cgst cgtu cibc cibi cibo cicc cici cico cics cict cicu cidc cidg cidi cids cidt cigi cigs cigu ciid ciii ciis ciit ciob cios cis- cisc cisd ciss cist citb citg citi cito cits citt