-er -up b-p b-u bbb bbe bbi bbl bbp bbr bbs bbt bbu be- beb bee bei bel bep ber bes bet beu bi- bib bie bii bil bip bir bis bit biu blb ble bli bll blp blr bls blt blu bpb bpe bpi bpl bpp bpr bps bpt bpu brb bre bri brl brp brr brs brt bru bsb bse bsi bsl bsp bsr bss bst bsu btb bte bti btl btp btr bts btt btu bub bue bui bul bup bur bus but buu ebb ebe ebi ebl ebp ebr ebs ebt ebu eeb eee eel eep eer ees eet eib eie eii eil eip eir eis eit eiu elb ele eli ell elp elr els elt elu ep- epb epe epi epl epp epr eps ept epu erb ere eri erl erp err ers ert eru es- esb ese esi esl esp esr ess est esu etb ete eti etl etp etr ets ett etu eu- eub eue eui eul eup eur eus eut ibb ibe ibi ibl ibp ibr ibs ibt ibu ie- iee iei iel iep ier ies iet iib iie iii iil iip iir iis iit iiu il- ilb ile ili ill ilp ilr ils ilt ilu ipb ipe ipi ipl ipp ipr ips ipt ipu ir- irb ire iri irl irp irr irs irt iru is- isb ise isi isl isp isr iss ist isu itb ite iti itl itp its itt itu iu- iub iue iui iup iur ius iut l-p lbb lbe lbi lbl lbp lbr lbs lbt lbu leb lee lei lel lep ler les let leu lib lie lii lil lip lir lis lit liu llb lle lli lll llp llr lls llt llu lpb lpe lpi lpl lpp lpr lps lpt lpu lrb lri lrp lrr lrs lrt lru lsb lse lsi lsl lsp lsr lss lst lsu ltb lte lti ltl ltp ltr lts ltt ltu lub lue lui lul lup lur lus lut luu p-p pbb pbe pbi pbl pbp pbr pbs pbt pbu peb pee pei pel pep per pes pet peu pib pie pii pil pip pir pis pit piu plb ple pli pll plp plr pls plt plu ppb ppe ppi ppl ppp ppr pps ppt ppu prb pre pri prl prp prr prs prt pru ps- psb pse psi psl psp psr pss pst psu pt- ptb pte pti ptl ptp ptr pts ptt ptu pub pue pui pul pup pur pus put puu rbb rbe rbi rbl rbp rbr rbs rbt rbu re- reb ree rei rel rep rer res ret reu rib rie rii ril rip rir ris rit rle rli rll rlp rlr rls rlt rlu rpb rpe rpi rpl rpp rpr rps rpt rpu rrb rri rrl rrp rrr rrs rrt rru rsb rse rsi rsl rsp rsr rss rst rsu rtb rte rti rtl rtp rtr rts rtt rtu rub rue rui rup rur rus rut ruu sbb sbe sbi sbl sbp sbr sbs sbt sbu se- seb see sei sel sep ser ses set seu sib sie sii sil sip sir sis sit siu slb sle sli sll slp slr sls slt slu spb spe spi spl spp spr sps spt spu sr- srb sre sri srl srp srr srs srt ss- ssb sse ssi ssl ssp ssr sss sst ssu stb ste sti stl stp str sts stt stu sub sue sui sul sup sur sus sut suu tbb tbe tbi tbl tbp tbr tbs tbt tbu te- teb tee tei tel tep ter tes tet teu tib tie tii til tip tir tis tit tiu tle tli tll tlp tlr tls tlt tlu tpb tpe tpi tpl tpp tpr tps tpt tpu trb tre tri trl trp trr trs trt tru tsb tse tsi tsl tsp tsr tss tst tsu ttb tte tti ttl ttp ttr tts ttt ttu tub tue tui tul tup tur tus tut tuu ubb ube ubi ubl ubp ubr ubs ubt ubu ueb uee uei uel uep uer ues uet uib uie uii uil uip uir uis uit uiu ulb ule uli ull ulp ulr uls ult ulu up- upb upe upi upp upr ups upt upu ur- urb ure uri url urp urr urs urt uru usb use usi usl usp usr uss ust usu utb ute uti utl utp utr uts utt utu uue uur uus uut uuu

bbbb bbbs bbeb bbet bblb bbls bbpr bebb bebe bebi beeb beel beep beer bees beet beil beir beis beit bele beli bell belp bels belt belu bere beri berr bers bert beru bes- bese bess best bete beti bets bett betu beur bibb bibe bibi bibl bibs bieb biel bier bies biet bieu biis bile bili bill bils bilt bilu bipp bips bipu birb bire biri birl birr birs birt biru bis- bise bisl bisp biss bist bisu bite bits bitt bitu blbt bleb blee blei bles blet bleu blip blir blis blit blls blsp blss blst blts blub blue blup blur blus blut bpel bpsu bpti breb bree brei brel brep brer bres bret brie bril bris brit brlp brls brrr brrs brsb brsr brst brue brup brus brut bseb bsee bser bses bset bspp bspr bsse bsts bsup btbp btie btlp btps btrt btss bttb btus bubb bube bubi bubs bubu buel buer bueu buie buir buis buit buiu bulb bule buli bull buls bult bulu bups bur- burb bure buri burl burp burr burs burt buru buse busi buss bust busu but- bute buti buts butt buus ebbr ebbs ebel eber ebes ebis ebit ebli ebru ebul ebur ebus eeee eees eele eels eeps eers eese eesi eete eets eetu eiei eier eies eile eipr eire eirs eise eiss eist eitb eiti eitr el-b el-p elbe elbi elbu elee eler eles elet elie elil elis elit elle elli ells ellu elpe elpi else elst elsu elte elts elue elui elul elus epee eper epes epi- epie epil epip epis epit eple epll eppp epps