-er -th b-u bbb bbc bbe bbg bbh bbr bbs bbt bbu bcb bcc bce bcg bch bcr bcs bct bcu bcz be- beb bec bee beg beh ber bes bet beu bez bgb bgc bge bgg bgh bgr bgs bgt bgu bgz bhb bhc bhe bhg bhh bhr bhs bht bhu brb bre brg brh brr brs brt bru brz bsb bsc bse bsg bsh bsr bss bst bsu btb btc bte btg bth btr bts btt btu btz bub buc bue bug buh bur bus but buu buz bze bzh bzr bzs bzu bzz c-- cbb cbc cbe cbg cbh cbr cbs cbt cbu cbz ccb ccc cce ccg cch ccr ccs cct ccu ccz ce- ceb cec cee ceg ceh cer ces cet ceu cez cgb cgc cge cgg cgh cgr cgs cgt cgu ch- chb chc che chg chh chr chs cht chu chz crb crc cre crg crh crr crs crt cru crz csb csc cse csg csh csr css cst csu csz ctb ctc cte ctg cth ctr cts ctt ctu ctz cub cuc cue cug cuh cur cus cut cuu cuz cz- czc cze czt ebb ebc ebe ebg ebh ebr ebs ebt ebu ec- ecb ecc ece ecg ech ecr ecs ect ecu eeb eec eee eeg eer ees eet egb egc ege egg egh egr egs egt egu ehb ehc ehe ehg ehh ehr ehs eht ehu erb erc ere erg erh err ers ert eru erz es- esb esc ese esg esh esr ess est esu etb etc ete etg eth etr ets ett etu etz eu- eub euc eue eug eur eus eut eze ezh ezr ezs ezz gbc gbe gbg gbh gbr gbs gbt gbu gbz gcb gcc gce gcg gch gcr gcs gct gcu ge- geb gec gee geg geh ger ges get geu gez ggb ggc ggg ggh ggr ggs ggt ggu ggz ghb ghc ghe ghg ghh ghr ghs ght ghz grb grc gre grg grh grr grs grt gru gsb gsc gse gsg gsr gss gst gsu gtb gtc gte gtg gth gtr gts gtt gtu gu- gub guc gue gug gur gus gut guu guz gzr gzu hbb hbc hbe hbg hbh hbr hbs hbt hbu hbz hcb hcc hce hcg hch hcr hcs hct he- heb hec hee heg heh her hes het heu hez hgb hgc hge hgg hgh hgr hgs hgt hgu hhb hhc hhe hhg hhh hhr hhs hht hhu hhz hr- hrb hrc hre hrg hrh hrr hrs hrt hru hrz hsb hsc hse hsg hsh hsr hss hst hsu hsz htb htc hte htg hth htr hts htt htz hub huc hue hug huh hur hus hut huu huz hze hzs hzt rbb rbc rbe rbg rbh rbr rbs rbt rbu rcb rcc rce rcg rch rcr rcs rct rcu re- reb rec ree reg reh rer res ret reu rez rgb rgc rge rgg rgh rgr rgs rgt rh- rhb rhc rhe rhg rhh rhr rhs rht rhu rrb rrc rrg rrh rrr rrs rrt rru rsb rsc rse rsg rsh rsr rss rst rsu rtb rtc rte rtg rtr rts rtt rtu rtz rub ruc rue rug ruh rur rus rut ruu ruz rzb rze sbb sbc sbe sbg sbh sbr sbs sbt sbu scb scc sce scg sch scr scs sct scu se- seb sec see seg seh ser ses set seu sez sgb sgc sge sgg sgh sgr sgs sgt sgu sh- shb shc she shg shh shr shs sht shu sr- srb src sre srg srh srr srs srt ss- ssb ssc sse ssg ssh ssr sss sst ssu ssz stb stc ste stg sth str sts stt stu stz sub suc sue sug suh sur sus sut suu suz sze szr szu tbb tbc tbe tbg tbh tbr tbs tbt tbu tbz tcb tcc tce tcg tch tcr tcs tct tcu te- teb tec tee teg teh ter tes tet teu tez tgb tgc tge tgg tgh tgr tgs tgt tgu tgz th- thb thc the thg thh thr ths tht thu thz trb trc tre trg trh trr trs trt tru trz tsb tsc tse tsg tsh tsr tss tst tsu ttb ttc tte ttg tth ttr tts ttt ttu tub tuc tue tug tuh tur tus tut tuu tuz tze tzs tzu ubb ubc ube ubg ubh ubr ubs ubt ubu ucb ucc uce ucg uch ucr ucs uct ucu ueb uec uee ueg ueh uer ues uet ugb ugc uge ugg ugh ugr ugs ugt ugu uhb uhc uhe uhh uhr uhs uht uhu ur- urb urc ure urg urr urs urt uru urz usb usc use usg ush usr uss ust usu usz utb utc ute uth utr uts utt utu utz uuc uue uug uur uus uut uuu uzb uzh uzu z-g zbb zbc zbr zbs zbt zce zcs zeb zec zee zeh zer zes zet zez zgb zgg zgs zhc zhe zhr zhs zhu zrh zrs zse zsg zsh zst zsu zsz zte ztr zub zuc zug zur zus zut zuz zzr zzs zzt zzz