b-u bbb bbf bbh bbi bbn bbr bbs bbu bfb bff bfh bfi bfn bfr bfs bfu bhb bhf bhh bhi bhr bhs bhu bi- bib bif bih bii bin bir bis biu bnb bnf bni bnn bnr bns bnu brb brf brh bri brn brr brs bru bsb bsf bsh bsi bsn bsr bss bsu bub buf buh bui bun bur bus buu fbb fbf fbh fbi fbn fbr fbs fbu fff ffh ffi ffn ffr ffs ffu fhb fhf fhh fhi fhn fhr fhs fib fif fih fii fin fir fis fiu fnb fnf fnh fni fnn fnr fns fnu frb frf frh fri frn frr frs fru fsb fsf fsh fsi fsn fsr fss fsu fub fuf fui fun fur fus fuu h-i hbb hbf hbh hbi hbn hbr hbs hbu hfb hff hfh hfi hfn hfr hfs hfu hhb hhf hhh hhi hhn hhr hhs hhu hib hif hih hii hin hir his hiu hnb hnf hnh hnn hns hnu hr- hrb hrf hrh hri hrn hrr hrs hru hsb hsf hsh hsi hsn hsr hss hsu hub huf huh hui hun hur hus huu i-f ibb ibf ibh ibi ibn ibr ibs ibu ifb iff ifi ifn ifr ifs ifu ihb ihf ihh ihi ihn ihr ihs ihu iib iif iih iii iin iir iis iiu in- inb inf inh ini inn inr ins inu ir- irb irf iri irn irr irs iru is- isb isf ish isi isn isr iss isu iu- iub iui iur ius n-i nbb nbf nbi nbn nbr nbs nbu nfb nff nfi nfn nfr nfs nfu nhb nhf nhh nhi nhn nhr nhs nhu nib nif nih nii nin nir nis niu nnb nnf nnh nni nnn nns nnu nrb nrf nri nrn nrr nrs nru nsb nsf nsh nsi nsn nsr nss nsu nub nuh nui nun nur nus nuu rbb rbf rbh rbi rbn rbr rbs rbu rfb rff rfh rfi rfn rfr rfs rfu rh- rhb rhf rhh rhi rhn rhr rhs rhu rib rif rih rii rin rir ris rnb rnh rni rnn rnr rns rnu rrb rrf rrh rri rrn rrr rrs rru rsb rsf rsh rsi rsn rsr rss rsu rub ruf ruh rui run rur rus ruu sbb sbf sbh sbi sbn sbr sbs sbu sfb sff sfh sfi sfn sfr sfs sfu sh- shb shf shh shi shn shr shs shu sib sif sih sii sin sir sis siu snb snf sni snn snr sns snu sr- srb srf srh sri srn srr srs ss- ssb ssf ssh ssi ssn ssr sss ssu sub suf suh sui sun sur sus suu ubb ubf ubh ubi ubn ubr ubs ubu uff ufh ufi ufn ufr ufs ufu uhb uhf uhh uhi uhr uhs uhu uib uif uii uin uir uis uiu un- unb unf unh uni unn unr uns unu ur- urb urf uri urn urr urs uru usb usf ush usi usn usr uss usu uun uur uus uuu

bbbb bbbs bbfn bbhs bbin bffs bfhs bfsi bfsr bhff bhhs bhir bhsf bhur bhuu bibb bibi bibs biff bifi bihi bihs bihu biin biis bin- binh bini binn bins binu birb biri birn birr birs biru bis- bish biss bisu bnhs bnib bnin bnrr bnss brfu brhs brih brin bris brns brrr brrs brsb brsr bruh brun brus bsff bsfs bshs bsin bsns bubb bubi bubs bubu buff bufr buhi buhr buhs buif buin buir buis buiu bunb buni bunn buns bunu bur- burb burh buri burn burr burs buru bush busi buss busu buus fbhs fbis fbrs fbus ffff ffhs ffii ffrr ffss ffun fhfs fhhs fhrs fhss fibs fiff fifi fiii fini finn fins firn firs fish fisi fiss fisu fnhs fnrs fnuf frhs frib frin fris frns frsb frub frun fsfi fshb fshs fssf fubb fubs fubu fuff fufu fuhs fuir funf funh funs fur- furi furn furr furs fusi fuss fusu h-ii hbbs hbhs hbrs hbss hfhs hfrs hfss hhhh hhhs hhus hibi hibu hiff hifh hifi hifn hifr hihi hiis hiiu hinn hins hirf hiri hirn hirs hiru hisb hish hisn hiss hnhs hrhs hrib hrun hsfs hshs hsin hsni hsur hubb hubi hubs huff hufs hufu huhi huhn huhs huhu huib huif huir huis hunh huni huns huri hurn hurr hurs huru hush husi huss huub huus ibfi ibis ibns ibri ibsf ibsn ibss ibus ifbb ifis ifni ifnr ifns ifrb ifrf ifri ifsb ihis ihss ihub iiii iiis iirs iisi iisr iisu infi infs inhs inis inni innr inns innu inri inrs insh inss insu inui inun inus irfu irhs iri- irin iris irri irrs irsf irun irus isbn ishi ishr ishs isin isis isri issf issh issi issr isss issu isuh isus iuiu iuss n-ii nbhs nbuf nfff nfhs nfib nfrs nfsr nfsu nhhs nhis nhnn nibi nibs niff nihf niir niiu ninh nini nins nirs niru nish nisi niss nisu niur nnhs nnnn nnss nrhs nsfs nshs nsin nsis nsnr nssb nssf nssr nsss nsub nubi nubs nuff nuhi nuin nunn nuns nuri nurn nurr nurs nuru nush nusi nuss nusu rbbb rbbr rbbs rbhs rbis rbss rfhs rhfs rhhs rhib rhin rhun rhus rib- ribs ribu riff rifs rifu rihs riif riin riis rinf rinn riri rirs rish risi riss risu rius rnbr rnin rnsh rrhs rrif rrrr rrun rsbi rshs rsis rsnn rsnr rubb rubi rubs rubu ruff ruhh ruhi ruhn ruhr ruhs ruif ruin ruis runf runi runn runs ruri rurs ruru rush rusi russ rusu ruun s-ib s-ii sbbs sbhs sbsi sbus sfhs sfnb sfss sfsu shbs shhh shhs shib shih shii shin shir shis shiu shri shrs shub shuf shui shun shur shus shuu sibi sibs sibu siff sifr sifu sihi sihr sihs sihu sinh sini sinn sins sinu sirf siri sirr sirs siru sish sisi siss sisu siui sius snfu snhs snib snir snns snrs snub snur snus srfi srhs srib sris srni srnn srub ssbn ssbr sshs ssin ssis ssns ssri ssrs sssb sssf sssh