-up b-p b-u bbb bbm bbn bbo bbp bbr bbs bbu bmb bmm bmn bmo bmp bmr bms bmu bnb bnn bno bnp bnr bns bnu bob bom bon boo bop bor bos bou bpb bpm bpn bpo bpp bpr bps bpu brb brm brn bro brp brr brs bru bsb bsm bsn bso bsp bsr bss bsu bub bum bun buo bup bur bus buu m-o m-r mbb mbm mbo mbp mbr mbs mbu mmb mmm mmn mmo mmp mmr mms mmu mnb mnm mnn mno mnp mnr mns mnu mob mom mon moo mop mor mos mou mpb mpm mpn mpo mpp mpr mps mpu mrb mrm mrn mro mrp mrr mrs mru msb msm msn mso msp msr mss msu mub mum mun mup mur mus muu nbb nbm nbn nbo nbp nbr nbs nbu nmb nmm nmn nmo nmp nmr nms nmu nnb nnm nnn nno nnp nns nnu no- nob nom non noo nop nor nos nou npb npm npn npo npp npr nps npu nrb nrm nrn nro nrp nrr nrs nru nsb nsm nsn nso nsp nsr nss nsu nub num nun nuo nup nur nus nuu ob- obb obm obn obo obp obr obs obu om- omb omm omn omo omp omr oms omu on- onb onn ono onp onr ons onu oo- oob oom oon ooo oop oor oos op- opb opm opn opo opp opr ops or- orb orm orn oro orp orr ors oru os- osb osm osn oso osp osr oss osu ou- oum oun ouo oup our ous p-p pbb pbm pbn pbo pbp pbr pbs pbu pmb pmm pmn pmo pmp pmr pms pmu pn- pnb pnm pnn pno pnp pnr pns pnu pob pom pon poo pop por pos pou ppb ppm ppn ppo ppp ppr pps ppu prb prm prn pro prp prr prs pru ps- psb psm psn pso psp psr pss psu pub pum pun pup pur pus puu rbb rbm rbn rbo rbp rbr rbs rbu rmb rmm rmn rmo rmp rmr rms rnb rnm rnn rno rnp rnr rns rnu rob rom ron roo rop ror ros rou rpb rpm rpn rpo rpp rpr rps rpu rrb rrm rrn rrp rrr rrs rru rsb rsm rsn rso rsp rsr rss rsu rub rum run ruo rup rur rus ruu sbb sbm sbn sbo sbp sbr sbs sbu smb smm smn smo smp smr sms smu snb snm snn sno snp snr sns snu sob som son soo sop sor sos sou spb spm spn spo spp spr sps spu sr- srb srm srn sro srp srr srs ss- ssb ssm ssn sso ssp ssr sss ssu sub sum sun suo sup sur sus suu ubb ubn ubo ubp ubr ubs ubu um- umb umm umn umo ump umr ums umu un- unb unm unn uno unp unr uns unu uob uom uon uoo uop uor uos up- upb upm upn upo upp upr ups upu ur- urb urm urn uro urp urr urs uru usb usm usn uso usp usr uss usu uum uun uur uus uuu

-ous bbbb bbbs bbpr bmop bmus bnor bnpp bnrr bnss bobb bobo bobs bobu bomb bomp boms bomu bonn bono bons bonu boob boom boon boop boor boos bopp bops bor- borm born boro borr bors boru bosm bosn boso boss bosu boum boun boup bour bous bpmn bpms bpsu brno brns brob brom bron broo bror bros brou brrm brrr brrs brsb brsr brum brun brup brus bsms bsns bson bsos bspp bspr bsrm bssm bsup bubb bubo bubs bubu bum- bumb bump bums bunb bunn buno buns bunu buon bups bur- burb burm burn buro burp burr burs buru buss busu buus mbbs mbms mbou mbps mbrs mbus mmmm mmms mmor mmpr mmpu mmrp mmsu mmun mmus mnbb mnop mnos mnpo mobb mobo mobs momo moms momu mon- monn mono mons monu moob moon moop moor moos mopp mops morb morn moro mors moru moso moss mosu moun moup mour mous mppp mpps mpro mprp mrbb mrbm mrbs mron mrps msmb msmm msms msmu msnp mson msop msor mspb mspp msrb msrp mssm mssp mssr msun msus mubo mubs mumm mumo mump mums mumu munn muno muns munu muon muos mups murn muro murr murs muru muso muss musu n-up nbbo nbpp nbps nbsp nmon nmos nmsp nnnn nnos nnpr nnss nobm nobo nobs nobu nom- nomo noms nomu non- nonn nono nons nonu noo- noob noon nooo noop noor noos nops nor- norb norm norn noro norr nors nos- nosm noss nosu noun noup nour nous nprm npss nron nrpn nrps nrsp nsbm nsbo nsmb nsnr nsos nsou nsps nssb nsso nssp nssr nsss nsub nubs numb numm nump nums numu nunn nuno nuns nuon nups nurn nurp nurr nurs nuru nuss nusu obbo obon obor obos obro obsn obsr obss obus ombo ombu omn- omo- omon omoo omor omps omro omsn omuo omus onno onon onor onos onpu onso onup onur onus ooms oons oooo ooos oops oous opms opo- opon opor opos oppo opps opsm opsu opus orbb orbo orbs orbu ormn ormo orno orns oro- orom oron oror oros orps orro orrs orso orsu orub orum orup orus osbp osm- osmo osno osnr osoo osor osos ospm osro ossb osso ossu osum osun oubs oun- our- ourn ouro ours ouu- pbmr pbrs pbsp pmbr pmmp pmmu pmos pmpm pmpo pmrs pnnm pnom pnon pnpo pnpp pnro pnup pobo pobs pomo pomp poms pomu pono ponp pons poon poop poor poos pop- popo popp pops porb porn poro porr pors posb posn poso poss poum poun poup pour pous ppms ppos pppn pppo pppp ppps pprm ppru ppss ppur prbs prnp pro- prob prom pron proo prop pros prou prps prrm prrs prso prss prum prus pruu psbr psnr pson psos psou pspp pspr psps psrp pssm psso pubs pubu pump puno puns punu pups pupu pur- purb puro purp purr purs puru puss rbbb rbbr rbbs rbms