-up b-p b-u bbb bbo bbp bbr bbs bbt bbu bby bob boo bop bor bos bot bou boy bpb bpo bpp bpr bps bpt bpu bpy brb bro brp brr brs brt bru bry bsb bso bsp bsr bss bst bsu bsy btb bto btp btr bts btt btu bty bub buo bup bur bus but buu buy by- byo byp byr bys byt byu ob- obb obo obp obr obs obt obu oby oo- oob ooo oop oor oos oot op- opb opo opp opr ops opt opy or- orb oro orp orr ors ort oru ory os- osb oso osp osr oss ost osu ot- otb oto otp otr ots ott otu ou- ouo oup our ous out oyo oys p-p pbb pbo pbp pbr pbs pbt pbu pby pob poo pop por pos pot pou poy ppb ppo ppp ppr pps ppt ppu prb pro prp prr prs prt pru pry ps- psb pso psp psr pss pst psu psy pt- ptb pto ptp ptr pts ptt ptu pty pub pup pur pus put puu puy py- pyb pyo pyr pys pyt pyu rbb rbo rbp rbr rbs rbt rbu rob roo rop ror ros rot rou roy rpb rpo rpp rpr rps rpt rpu rrb rrp rrr rrs rrt rru rsb rso rsp rsr rss rst rsu rtb rto rtp rtr rts rtt rtu rty rub ruo rup rur rus rut ruu ruy ry- ryo ryr rys ryu ryy sbb sbo sbp sbr sbs sbt sbu sby sob soo sop sor sos sot sou soy spb spo spp spr sps spt spu spy sr- srb sro srp srr srs srt sry ss- ssb sso ssp ssr sss sst ssu stb sto stp str sts stt stu sty sub suo sup sur sus sut suu suy sy- syb syp syr sys syt syu tbb tbo tbp tbr tbs tbt tbu to- tob too top tor tos tot tou toy tpb tpo tpp tpr tps tpt tpu trb tro trp trr trs trt tru try tsb tso tsp tsr tss tst tsu tsy ttb tto ttp ttr tts ttt ttu tty tub tuo tup tur tus tut tuu tuy tyo typ tyr tys tyt ubb ubo ubp ubr ubs ubt ubu uby uob uoo uop uor uos uot up- upb upo upp upr ups upt upu ur- urb uro urp urr urs urt uru ury usb uso usp usr uss ust usu utb uto utp utr uts utt utu uty uur uus uut uuu uyo uys uyu ybp ybr ybs yby yob yoo yop yor yos yot you yoy ypo yps ypu yro yrp yrs yrt yru ysb yso ysp ysr yss yst ysu ysy yto ytp ytr yts ytt ytu yuo yup yur yus yut yuu yuy yyb yys yyt yyu yyy

-ous bbbb bbbs bboy bbpr bbyo bobb bobo bobs bobu boby boob boop boor boos boot bopp bops bor- boro borr bors bort boru bory boso boss bost bosu botb boto bots bott boty boup bour bous bout bouy boyo boys bpot bpsu brob broo bror bros brot brou brrr brrs brsb brsr brst brup brus brut bry- bryo bsos bspp bspr bsts bsup btbp btob btor btps btrt btry btss bttb btus bubb bubo bubs bubu buoy bups bur- burb buro burp burr burs burt buru bury buss bust busu busy but- buto buts butt buty buus buyo buys buyu byob byop byos byrt bysb byso bysp byss byst bysy byts obbo obby obor obos obot oboy obro obsr obss obst obts obus ooby oooo ooos oops oort oory oost ootb ootp oots ooty oous opo- opor opos oppo opps oppy opry opsu opsy opto opts opus orbb orbo orbs orbu orby oro- oror oros orot oroy orps orro orrs orry orso orsu orsy orto orts orub orup orus orys osbp osby osoo osor osos osro ossb osso ossu ossy ostr osts osyp osyt otbs oto- otoo otor otos otoy otpp otro otrs otry otso otsu otto otts ottu otur otus otyr oubs our- ouro ours ourt oust out- outb outo outs outy ouu- ouyr oyou oyss oyst pbrs pbsp pobo pobs poop poor poos poot pop- popo popp pops popt popy porb poro porr pors port pory posb poso poss post posy poto pots pott potu poty poup pour pous pout pouy poyo poyr poys ppos pppo pppp ppps ppru ppss ppts pptt ppur prbs pro- prob proo prop pros prot prou prps prrs prso prss prtp prtr prus prut pruu prys psbr psbt psos psou pspp pspr psps psrp psso psst psts pstu psy- psys ptop pubs pubu puoy pups pupu pupy pur- purb puro purp purr purs puru pury puss pust put- puto puts putt putu puy- puyo puys puyt pyo- pyos pyot pypy pyr- pyro pyry pyss pyst pytt rbbb rbbr rbbs rbsp rbss rbst rob- robb robo robs robt robu roby roob roop roor roos root ropo rops ropy roro rort roru rory roso rosp ross rost rosy roto rotr rots rott roty roub roup rous rout rouy roys royt rpob rpos rpps rpts rrrr rrsp rsos rspb rspo rsps rstp rsts rstu rtps rtss rttp rtts rubb rubp rubs rubu ruby ruoy rupp rupt rupy ruro rurp rurs ruru ruso russ rust rusu rusy ruto ruts rutt rutu ruty ruys rybp ryob ryot rysy rytt ryyt s-os sbbs sbor sbot sbsp sbst sbus sobo sobp sobr sobs sobt sobu soop soor soos soot sooy sopo sopp sops sopu sopy sorb soro sorr sors sort soru sory soso soss sost soto sotp sots sotu soup sour sous sout soyo soys soyt spby spoo spop spor spos spot spoy spps spro sprs spry spso spsp spss spst sptb spto sptr spts spur spus sput spy- spyr spys srby sros srps srpt srsp srtp srtr srub ssbr ssby ssop ssot sspo ssps sspt ssrs sssb ssss sstb sstp ssts stbs stob stoo stop stor stos stot stou stoy stpp stps stro strs stru stry stss sttr stub stup stur stus