-er -th b-u bbb bbd bbe bbh bbl bbr bbs bbt bbu bdb bdd bde bdh bdl bdr bds bdt bdu be- beb bed bee beh bel ber bes bet beu bhb bhd bhe bhh bhl bhr bhs bht bhu blb bld ble blh bll blr bls blt blu brb brd bre brh brl brr brs brt bru bsb bsd bse bsh bsl bsr bss bst bsu btb btd bte bth btl btr bts btt btu bub bud bue buh bul bur bus but buu dbb dbd dbe dbh dbl dbr dbs dbt dbu ddb ddd dde ddh ddl ddr dds ddt ddu de- deb ded dee deh del der des det deu dh- dhb dhd dhe dhh dhl dhr dhs dht dhu dl- dlb dld dle dlh dll dlr dls dlt dlu drb drd dre drl drr drs drt dru dsb dsd dse dsh dsl dsr dss dst dsu dtb dtd dte dth dtl dtr dts dtt dtu dub dud due duh dul dur dus dut ebb ebd ebe ebh ebl ebr ebs ebt ebu ed- edb edd ede edh edl edr eds edt edu eeb eed eee eel eer ees eet ehb ehd ehe ehh ehl ehr ehs eht ehu elb eld ele elh ell elr els elt elu erb erd ere erh erl err ers ert eru es- esb esd ese esh esl esr ess est esu etb etd ete eth etl etr ets ett etu eu- eub eud eue eul eur eus eut hbb hbd hbe hbh hbl hbr hbs hbt hbu hdb hdd hde hdh hdl hdr hds hdt hdu he- heb hed hee heh hel her hes het heu hhb hhd hhe hhh hhl hhr hhs hht hhu hlb hld hle hlh hll hlr hls hlt hlu hr- hrb hrd hre hrh hrl hrr hrs hrt hru hsb hsd hse hsh hsl hsr hss hst hsu htb htd hte hth htl htr hts htt hub hud hue huh hul hur hus hut huu lbb lbd lbe lbh lbl lbr lbs lbt lbu ldb ldd lde ldh ldl ldr lds ldt ldu leb led lee leh lel ler les let leu lhb lhd lhh lhr lhs lht lhu llb lld lle lll llr lls llt llu lrb lrd lrh lrr lrs lrt lru lsb lsd lse lsh lsl lsr lss lst lsu ltb ltd lte lth ltl ltr lts ltt ltu lub lud lue luh lul lur lus lut luu rbb rbd rbe rbh rbl rbr rbs rbt rbu rdb rdd rde rdh rdl rdr rds rdt rdu re- reb red ree reh rel rer res ret reu rh- rhb rhd rhe rhh rhl rhr rhs rht rhu rld rle rlh rll rlr rls rlt rlu rrb rrd rrh rrl rrr rrs rrt rru rsb rsd rse rsh rsl rsr rss rst rsu rtb rtd rte rtl rtr rts rtt rtu rub rud rue ruh rur rus rut ruu sbb sbd sbe sbh sbl sbr sbs sbt sbu sdb sdd sde sdh sdl sdr sds sdt sdu se- seb sed see seh sel ser ses set seu sh- shb shd she shh shl shr shs sht shu slb sld sle slh sll slr sls slt slu sr- srb srd sre srh srl srr srs srt ss- ssb ssd sse ssh ssl ssr sss sst ssu stb std ste sth stl str sts stt stu sub sud sue suh sul sur sus sut suu tbb tbd tbe tbh tbl tbr tbs tbt tbu tdb tdd tde tdh tdl tdr tds tdt tdu te- teb ted tee teh tel ter tes tet teu th- thb thd the thh thl thr ths tht thu tld tle tlh tll tlr tls tlt tlu trb trd tre trh trl trr trs trt tru tsb tsd tse tsh tsl tsr tss tst tsu ttb ttd tte tth ttl ttr tts ttt ttu tub tud tue tuh tul tur tus tut tuu ubb ube ubh ubl ubr ubs ubt ubu udb udd ude udl udr uds udt udu ueb ued uee ueh uel uer ues uet uhb uhd uhe uhh uhl uhr uhs uht uhu ulb uld ule ull ulr uls ult ulu ur- urb urd ure url urr urs urt uru usb usd use ush usl usr uss ust usu utb utd ute uth utl utr uts utt utu uue uur uus uut uuu