-up b-p b-u bbb bbi bbn bbp bbr bbs bbu bi- bib bii bin bip bir bis biu bnb bni bnn bnp bnr bns bnu bpb bpi bpn bpp bpr bps bpu brb bri brn brp brr brs bru bsb bsi bsn bsp bsr bss bsu bub bui bun bup bur bus buu ibb ibi ibn ibp ibr ibs ibu iib iii iin iip iir iis iiu in- inb ini inn inp inr ins inu ipb ipi ipn ipp ipr ips ipu ir- irb iri irn irp irr irs iru is- isb isi isn isp isr iss isu iu- iub iui iup iur ius n-i nbb nbi nbn nbp nbr nbs nbu nib nii nin nip nir nis niu nnb nni nnn nnp nns nnu npb npi npn npp npr nps npu nrb nri nrn nrp nrr nrs nru nsb nsi nsn nsp nsr nss nsu nub nui nun nup nur nus nuu p-p pbb pbi pbn pbp pbr pbs pbu pib pii pin pip pir pis piu pn- pnb pni pnn pnp pnr pns pnu ppb ppi ppn ppp ppr pps ppu prb pri prn prp prr prs pru ps- psb psi psn psp psr pss psu pub pui pun pup pur pus puu rbb rbi rbn rbp rbr rbs rbu rib rii rin rip rir ris rnb rni rnn rnp rnr rns rnu rpb rpi rpn rpp rpr rps rpu rrb rri rrn rrp rrr rrs rru rsb rsi rsn rsp rsr rss rsu rub rui run rup rur rus ruu sbb sbi sbn sbp sbr sbs sbu sib sii sin sip sir sis siu snb sni snn snp snr sns snu spb spi spn spp spr sps spu sr- srb sri srn srp srr srs ss- ssb ssi ssn ssp ssr sss ssu sub sui sun sup sur sus suu ubb ubi ubn ubp ubr ubs ubu uib uii uin uip uir uis uiu un- unb uni unn unp unr uns unu up- upb upi upn upp upr ups upu ur- urb uri urn urp urr urs uru usb usi usn usp usr uss usu uun uur uus uuu

bbbb bbbs bbin bbpr bibb bibi bibs biin biis bin- bini binn bins binu bipp bips bipu birb biri birn birr birs biru bis- bisp biss bisu bnib bnin bnpp bnrr bnss bpsu brin bris brns brrr brrs brsb brsr brun brup brus bsin bsns bspp bspr bsup bubb bubi bubs bubu buin buir buis buiu bunb buni bunn buns bunu bups bur- burb buri burn burp burr burs buru busi buss busu buus ibis ibns ibri ibsn ibss ibus iiii iiis iirs iisi iisp iisr iisu inis inni innr inns innu inp- inpi inpp inri inrs insp inss insu inui inun inup inus ipin ippr ipri ipsi ipsp ipss ipur ipus irbp iri- irin irip iris irps irri irrs irsp irun irus isbn isin isis ispr isps isri isrp issi issp issr isss issu isup isus iuiu iupp iuss n-ii n-up nbpp nbps nbsp nibi nibs niip niir niiu nini nins nipr nips nirs niru nisi nisp niss nisu niur nnnn nnpi nnpr nnss npin npri npss nrpn nrps nrsp nsin nsis nsnr nspi nsps nssb nssp nssr nsss nsub nubi nubs nuin nunn nuns nups nuri nurn nurp nurr nurs nuru nusi nuss nusu pbrs pbsp pibb pibi piip pini pinn pinp pins pinu pipi pipp pips piri pirn pirr pirs piru pisi piss pisu pius pnin pnpp pnup ppib pppn pppp ppps ppru ppss ppur prbs pri- prii prin pris prnp prps prri prrs prsi prss prus pruu psbr psip psis psni psnr pspi pspp pspr psps psrp pubs pubu puin puir puis puiu puns punu pupi pups pupu pur- purb puri purp purr purs puru pusi puss rbbb rbbr rbbs rbis rbsp rbss rib- ribs ribu riin riis rinn ripi ripp ripr rips riri rirs risi risp riss risu rius rnbr rnin rnsp rpii rppn rpps rrrr rrsp rrun rsbi rsis rsnn rsnr rspb rsps rubb rubi rubp rubs rubu ruin ruis runi runn runs rupp ruri rurp rurs ruru rusi russ rusu ruun s-ib s-ii sbbs sbsi sbsp sbus sibi sibs sibu sini sinn sinp sins sinu sipi sipp sips siri sirp sirr sirs siru sisi siss sisu siui sius snib snip snir snns snpp snrs snub snur snus spib spin spip spir spis spns spps spri sprs spsp spss spui spun spur spus srib sris srni srnn srps srsp srub ssbn ssbr ssin ssis ssns ssps ssri ssrs sssb sssi ssss sub- subb subi subs suin suir suis sun- sunb suni sunn suns sunu sup- supp supr sups sur- suri surn surp surr surs suru sus- susi susp suss susu suus u-rp ubbi ubii ubir ubis uipi uirr uni- unii unin unir unis unni unns unps unrs uns- unus upin upis upnp uppp uppu upri upsi upup urbi urbs urib urin uris uriu urni urns urri ursi urss ursu urun urup urur urus usbr usbs usin usip usis usnr usnu uspp usps ussb ussr usss ussu usui usun usus uuni uuri uusi uuuu

bbuss bibbs bibin bibis bibri bibus binns binub bipib bipin birin birni birns birrs birun birur bisin bpips brini brinn brins brisb brisi briss brrrr bruin bruis bruiu bruni brunn bruns bruri bruss bruun bsins buirn bunin bunun bunus burbs burin burn- burns burps burri burrs burru burun burus busin busir bussu busur busuu i-pin ibbur iiiii iiris iisir iiuni inbin inini inipi innis inniu inrun insin insrr insub inurn inuus ipini ipsi- ipsus ipubi irbis irinn iris- iriss irisu irpin irssi irupi is-is isbns isisi ispup isrib issru issus issuu isuus iupps n-p-n n-sub nibbi niibi niiip niirs ninib ninur ninus nipin nippu nipri nipup nisin nisus npins nsnps nu-nu nubus nunni nunns nunun nupur nurin nuris nurri nursu nurun nurus nusus p-n-p piiri piisi piisu pinin pinn- pinni pinup pinus pipis pippi pipri pirin pirni pirns pirri pirui pirus pisin pissi piuri piuru piusi pnisr pnsup priis prins priss prius pruin prun- pruni pruss psbbn pubis punbb