-er -up b-p b-u bbb bbd bbe bbi bbp bbr bbs bbu bdb bdd bde bdi bdp bdr bds bdu be- beb bed bee bei bep ber bes beu bi- bib bid bie bii bip bir bis biu bpb bpd bpe bpi bpp bpr bps bpu brb brd bre bri brp brr brs bru bsb bsd bse bsi bsp bsr bss bsu bub bud bue bui bup bur bus buu dbb dbd dbe dbi dbp dbr dbs dbu ddb ddd dde ddi ddp ddr dds ddu de- deb ded dee dei dep der des deu di- dib did die dii dip dir dis diu dpb dpd dpe dpi dpp dpr dps dpu drb drd dre dri drp drr drs dru dsb dsd dse dsi dsp dsr dss dsu dub dud due dui dup dur dus ebb ebd ebe ebi ebp ebr ebs ebu ed- edb edd ede edi edp edr eds edu eeb eed eee eep eer ees eib eid eie eii eip eir eis eiu ep- epb epd epe epi epp epr eps epu erb erd ere eri erp err ers eru es- esb esd ese esi esp esr ess esu eu- eub eud eue eui eup eur eus i-d ibb ibd ibe ibi ibp ibr ibs ibu idb idd ide idi idp idr ids idu ie- ied iee iei iep ier ies iib iid iie iii iip iir iis iiu ipb ipd ipe ipi ipp ipr ips ipu ir- irb ird ire iri irp irr irs iru is- isb isd ise isi isp isr iss isu iu- iub iud iue iui iup iur ius p-p pbb pbd pbe pbi pbp pbr pbs pbu pdb pdd pde pdi pdp pdr pds pdu peb ped pee pei pep per pes peu pib pid pie pii pip pir pis piu ppb ppd ppe ppi ppp ppr pps ppu prb prd pre pri prp prr prs pru ps- psb psd pse psi psp psr pss psu pub pud pue pui pup pur pus puu rbb rbd rbe rbi rbp rbr rbs rbu rdb rdd rde rdi rdp rdr rds rdu re- reb red ree rei rep rer res reu rib rid rie rii rip rir ris rpb rpd rpe rpi rpp rpr rps rpu rrb rrd rri rrp rrr rrs rru rsb rsd rse rsi rsp rsr rss rsu rub rud rue rui rup rur rus ruu sbb sbd sbe sbi sbp sbr sbs sbu sdb sdd sde sdi sdp sdr sds sdu se- seb sed see sei sep ser ses seu sib sid sie sii sip sir sis siu spb spd spe spi spp spr sps spu sr- srb srd sre sri srp srr srs ss- ssb ssd sse ssi ssp ssr sss ssu sub sud sue sui sup sur sus suu ubb ube ubi ubp ubr ubs ubu udb udd ude udi udp udr uds udu ueb ued uee uei uep uer ues uib uid uie uii uip uir uis uiu up- upb upd upe upi upp upr ups upu ur- urb urd ure uri urp urr urs uru usb usd use usi usp usr uss usu uue uur uus uuu

bbbb bbbs bbdd bbeb bbpr bd-r bdes bdii bdsd bebb bebe bebi bede bedi beds bedu beeb beed beep beer bees beir beis berd bere beri berr bers beru bes- bese bess beur bibb bibe bibi bibs bide bidi bidr bids bidu bieb bied bier bies bieu biis bipp bips bipu birb bird bire biri birr birs biru bis- bisd bise bisp biss bisu bprd bpsu brds breb bred bree brei brep brer bres brid brie bris brrr brrs brsb brsr brud brue brup brus bsbd bseb bsed bsee bser bses bspp bspr bsrd bssd bsse bsup bubb bube bubi bubs bubu budb budd bude budi buds budu buer bueu buid buie buir buis buiu bups bur- burb burd bure buri burp burr burs buru buse busi buss busu buus dbpd dbrs dbss dbus dddd ddes ddie ddps ddre ddss ddub debe debi debs debu dedd dede dedi dedu deeb deed deep deer dees deid deie deip deir deis depe depp depr deps der- derb dere deri derp derr ders des- dese desi desp dess desu deue deur deus dibb dibe dibp dibs dide didi dids didu dieb died diep dier dies dieu diii diis dipe dipp dips dipu dird dire dirr dirs dis- disd dise disi disp diss dius dper dpie dpsd dpsu dred dree drei dres drib drie drip drrs drsp drub drue drui drup drus druu dsdp dsdr dsei dsip dsps dsri dsrp dsrr dssi dssp dub- dubb dube dubs dubu dudd dude duds dudu duer dues duid duir duis dupe dure duri duru duse dusi duur ebbr ebbs ebed eber ebes ebid ebis ebru ebur ebus edde eddi eddp edds ede- edei eder edes edie edip edis edru edss edup edur eede eedu eeee eees eeps eers eese eesi eid- eide eidi eidr eidu eied eiei eier eies eipr eird eire eirs eisd eise eiss epee eper epes epi- epid epie epip epis eppp epps eprb eprp eprs epsd epsi epsp epss epub epus erbb erbe erde erdi erds ereb ered erei erer eres erie eris eriu erpe erps erre errs erse ersi erub erur erus esbs esdi esdp esds esdu esee eser eses esie esis espe espi espp esps esrd esri esse essi essp essu esui esus eubi eude euer eur- eure euse i-be ibed ibes ibid ibie ibis ibrd ibri ibss ibus idbe ided idee ider ides idid idie idir idis idps idre idse idss idub idus iedr ieds ieie iere ieri iers iesi iesr iesu ieud iide iied iies iiie iiii iiis iirs iisd iisi iisp iisr iisu ipdi iper ipes ipid ipie ippr ipri ipse ipsi ipsp ipss ipur ipus irbe irbp irdp irds ired iree irer ires iri- irid irie irip iris irpe irps irre irri irrs irse irsp irus isbd isbe isdb isde isds iseb ised isee isep iser ises isie isis ispe ispr isps isri isrp isse issi