-er -ol -up b-p b-u bbb bbe bbl bbo bbp bbr bbu be- beb bee bel beo bep ber beu bez blb ble bll blo blp blr blu blz bob boe bol boo bop bor bou boz bpb bpe bpl bpo bpp bpr bpu brb bre brl bro brp brr bru brz bub bue bul buo bup bur buu buz bze bzo bzp bzr bzu bzz ebb ebe ebl ebo ebp ebr ebu eeb eee eel eeo eep eer elb ele ell elo elp elr elu elz eo- eob eoe eol eoo eop eor eou ep- epb epe epl epo epp epr epu epz erb ere erl ero erp err eru erz eu- eub eue eul eup eur eze ezo ezr ezz l-p lbb lbe lbl lbo lbp lbr lbu leb lee lel leo lep ler leu lez llb lle lll llo llp llr llu llz lob loe lol loo lop lor lou loz lpb lpe lpl lpo lpp lpr lpu lpz lrb lro lrp lrr lru lrz lub lue lul luo lup lur luu luz lzo lzr lzu ob- obb obe obl obo obp obr obu oeb oee oel oeo oep oer olb ole oll olo olp olu oo- oob ool ooo oop oor op- opb ope opl opo opp opr or- orb ore orl oro orp orr oru orz ou- oue oul ouo oup our oze ozo ozu ozz p-p pbb pbe pbl pbo pbp pbr pbu pbz peb pee pel peo pep per peu pez plb ple pll plo plp plr plu plz pob poe pol poo pop por pou poz ppb ppe ppl ppo ppp ppr ppu ppz prb pre prl pro prp prr pru prz pub pue pul pup pur puu puz pzl pzp rbb rbe rbl rbo rbp rbr rbu re- reb ree rel reo rep rer reu rez rle rll rlo rlp rlr rlu rob roe rol roo rop ror rou roz rpb rpe rpl rpo rpp rpr rpu rpz rrb rrl rrp rrr rru rub rue ruo rup rur ruu ruz rzb rze rzo ubb ube ubl ubo ubp ubr ubu ueb uee uel uep uer ulb ule ull ulo ulp ulr ulu uob uoe uol uoo uop uor up- upb upe upo upp upr upu upz ur- urb ure url uro urp urr uru urz uue uur uuu uzb uzo uzu zbb zbl zbr zeb zee zel zeo zep zer zez zlr zo- zob zoe zol zoo zor zou zpe zpl zpo zpp zpr zpu zrl zro zrp zub zul zur zuz zzr zzz

bbbb bbeb bblb bbpr bebb bebe bebo beeb beel beep beer bele bell belo belp belu belz beo- beor bepo bere bero berr beru beur beze bezu bleb blee bleo bleu blob bloo blop blou blub blue blup blur bobb bobe bobo bobu boee boel boeo boep boer bole boll bolo bolu boob booe bool boop boor booz bope bopp bor- bore boro borr boru borz boue boul boup bour bozo bpel bpoe breb bree brel breo brep brer brez brlp brob broe brol broo bror brou broz brrr brue brup bruz bubb bube bubo bubu buel buer bueu bulb bule bull bulu bulz buol bur- burb bure burl buro burp burr buru burz buuz buze buzz bzer bzoe bzou bzzz ebbo ebbr ebel eber eboe ebol eboo ebor ebpo ebro ebru ebul ebur eeee eele eero eeze el-b el-p elbe elbo elbu elee eleo eler elle ello ellu elpe elro elue elul elze eole eolo eore eorl epee eper eple epll epol epor eppo eppp eprb epro eprp epub erbb erbe ereb erel erer erez erle erll erob eroe erol eroo erpe erre erro erub erur euer eule eur- eure euro ezel ezer ezop ezuz ezzo lblr lboz le-u lebo lebu leel leep leer lele lell lelo lelu leor leou leoz lepe lepo lepp lere lero lerp leur leze lezo lleu llll lloo lob- lobb lobe lobo loeb loeu lole loll lolo lolz loob looe lool loop loor looz lope lopp lopu lore loro loue loul loup lour louu loze lppl lprp lrpu lrrr lube luer lule lull lulu lulz lupe lupo lupu lure lurz luup luze lzop o-eo obbo obel ober oble oblu oboe obol obor obre obro oele oere olbo ole- oleo oler olle ollo olor olpe olur oobe ooer oolo oooo oore ooze opel opep oper ople opo- opor oppo orbb orbe orbo orbu ore- oreb orel oreo orer orle orlo orlu oro- oroe oror oroz orpe orro orub orup orzo orzu ouer oule oulu oupe our- oure ouro ouu- ouze ouzo ozee ozel ozer ozlu pblu pebl peel peep peer pel- pelb pele pell pelo pelu pelz peor peou pepe pepo per- pere perl pero perp perr peru peul peur peze pezo plbr ple- pleb plee pleo pleu plob ploo plop plou plpp plue plup plur pobo poel poer pole poll polo polu pool poop poor pop- pope popo popp porb pore poro porr porz poul poup pour poze pozo pper pple pplo pppo pppp ppru ppur pre- preb pree prel prep preu prez prle prlr pro- prob proe prol proo prop prou proz prue pruu pu-e pube publ pubu puel pueo puer pueu pule pull pulo pulp pulu pupe pupl pupu pur- purb pure purl puro purp purr puru puzo pzzl rbbb rbbr rble rebb rebe rebo rebu reeb reel reep relb rele rell relo relp reol reop reou repe repl repo repp repr repu rere rero reru reue reul reup reuu reze rezu rlee rleu rob- robb robe robo robu roel roer role roll rolo rolp roob rool roop roor rooz rope ropo rore roro roru roub roue roul roup rouz roze rozz rpob rpoe rrle rrrr rubb rube rubp rubu ruel ruer ruez rule rull rulo rupe rupp rure ruro rurp ruru ruze u-rp ubbe ubbo uber uble ublo uele uell uleb ulee uleo ulez ulle ullo ullr ulo- ulul uor- uore upbe uplb uplo upor uppe uppp uppu upup urbe ure- urle uro- urol uroo urpo urre urup