-er -ic -th b-u bbb bbc bbd bbe bbg bbh bbi bbk bbr bbs bbt bbu bcb bcc bcd bce bcg bch bci bck bcr bcs bct bcu bdb bdc bdd bde bdg bdh bdi bdk bdr bds bdt bdu be- beb bec bed bee beg beh bei bek ber bes bet beu bgb bgc bgd bge bgg bgh bgi bgk bgr bgs bgt bgu bhb bhc bhd bhe bhg bhh bhi bhk bhr bhs bht bhu bi- bib bic bid bie big bih bii bik bir bis bit biu bkb bkc bke bkg bkk bkr bks bkt brb brd bre brg brh bri brk brr brs brt bru bsb bsc bsd bse bsg bsh bsi bsk bsr bss bst bsu btb btc btd bte btg bth bti btk btr bts btt btu bub buc bud bue bug buh bui buk bur bus but buu c-- cbb cbc cbd cbe cbg cbh cbi cbk cbr cbs cbt cbu ccb ccc ccd cce ccg cch cci cck ccr ccs cct ccu cdb cdc cdd cde cdg cdh cdi cdk cdr cds cdt cdu ce- ceb cec ced cee ceg ceh cei cek cer ces cet ceu cgb cgc cgd cge cgg cgh cgi cgr cgs cgt cgu ch- chb chc chd che chg chh chi chk chr chs cht chu ci- cib cic cid cie cig cih cii cik cir cis cit ciu ckb ckc ckd ckh cki cks ckt crb crc crd cre crg crh cri crk crr crs crt cru csb csc csd cse csg csh csi csk csr css cst csu ctb ctc ctd cte ctg cth cti ctk ctr cts ctt ctu cub cuc cud cue cug cuh cui cuk cur cus cut cuu dbb dbc dbd dbe dbg dbh dbi dbk dbr dbs dbt dbu dcb dcc dcd dce dcg dci dck dcr dcs dct dcu ddb ddc ddd dde ddg ddh ddi ddk ddr dds ddt ddu de- deb dec ded dee deg deh dei dek der des det deu dgc dgd dge dgg dgh dgi dgk dgr dgs dgt dgu dh- dhb dhc dhd dhe dhh dhi dhk dhr dhs dht dhu di- dib dic did die dig dih dii dik dir dis dit diu dkb dkc dke dkg dki dkk dkr dks dkt dku drb drc drd dre drg dri drk drr drs drt dru dsb dsc dsd dse dsg dsh dsi dsk dsr dss dst dsu dtb dtc dtd dte dtg dth dti dtk dtr dts dtt dtu dub duc dud due dug duh dui duk dur dus dut ebb ebc ebd ebe ebg ebh ebi ebk ebr ebs ebt ebu ec- ecb ecc ecd ece ecg ech eci eck ecr ecs ect ecu ed- edb edc edd ede edg edh edi edk edr eds edt edu eeb eec eed eee eeg eek eer ees eet egb egc egd ege egg egh egi egr egs egt egu ehb ehc ehd ehe ehg ehh ehi ehr ehs eht ehu eib eic eid eie eig eii eik eir eis eit eiu ekb ekc ekd eke ekg ekh eki ekr eks ekt eku erb erc erd ere erg erh eri erk err ers ert eru es- esb esc esd ese esg esh esi esk esr ess est esu etb etc etd ete etg eth eti etk etr ets ett etu eu- eub euc eud eue eug eui eur eus eut g-d gbc gbd gbe gbg gbh gbi gbk gbr gbs gbt gbu gcb gcc gcd gce gcg gch gci gck gcr gcs gct gcu gdb gdc gdd gde gdh gdi gdk gdr gds gdt gdu ge- geb gec ged gee geg geh gei gek ger ges get geu ggb ggc ggd ggg ggh ggi ggr ggs ggt ggu ghb ghc ghd ghe ghg ghh ghi ghr ghs ght gib gic gid gie gig gih gii gik gir gis git giu gkb gkd gkh gks gkt grb grc grd gre grg grh gri grk grr grs grt gru gsb gsc gsd gse gsg gsi gsk gsr gss gst gsu gtb gtc gtd gte gtg gth gti gtk gtr gts gtt gtu gu- gub guc gud gue gug gui guk gur gus gut guu h-i hbb hbc hbd hbe hbg hbh hbi hbk hbr hbs hbt hbu hcb hcc hcd hce hcg hch hci hck hcr hcs hct hdb hdc hdd hde hdg hdh hdi hdk hdr hds hdt hdu he- heb hec hed hee heg heh hei hek her hes het heu hgb hgc hge hgg hgh hgi hgk hgr hgs hgt hgu hhb hhc hhd hhe hhg hhh hhi hhk hhr hhs hht hhu hib hic hid hie hig hih hii hik hir his hit hiu hkb hkd hkg hkh hki hkk hkr hks hkt hku hr- hrb hrc hrd hre hrg hrh hri hrk hrr hrs hrt hru hsb hsc hsd hse hsg hsh hsi hsk hsr hss hst hsu htb htc htd hte htg hth hti htk htr hts htt hub huc hud hue hug huh hui huk hur hus hut huu i-d ibb ibc ibd ibe ibg ibh ibi ibk ibr ibs ibt ibu icb icc icd ice icg ich ici ick icr ics ict icu idb idc idd ide idg idh idi idk idr ids idt idu ie- iec ied iee ieg iei iek ier ies iet igb igc igd ige igg igh igi igk igr igs igt igu ihb ihc ihd ihe ihg ihh ihi ihk ihr ihs iht ihu iib iic iid iie iih iii iir iis iit iiu ikb ikc ike iki ikk ikr iks ikt iku ir- irb irc ird ire irg iri irk irr irs irt iru is- isb isc isd ise isg ish isi isk isr iss ist isu itb itc itd ite itg ith iti itk its itt itu iu- iub iuc iud iue iug iui iur ius iut k-t kbb kbc kbd kbe kbh kbi kbk kbr kbs kbu kcb kcc kcd kce kcg kch kci kck kcr kcs kct kcu kdb kdc