bbbb bbbs bbhs bbin bhhs bhir bhur bhuu bibb bibi bibs 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 brhs brih brin bris brns brrr brrs brsb brsr bruh brun brus bshs bsin bsns bubb bubi bubs bubu buhi buhr buhs buin buir buis buiu bunb buni bunn buns bunu bur- burb burh buri burn burr burs buru bush busi buss busu buus h-ii hbbs hbhs hbrs hbss hhhh hhhs hhus hibi hibu hihi hiis hiiu hinn hins hiri hirn hirs hiru hisb hish hisn hiss hnhs hrhs hrib hrun hshs hsin hsni hsur hubb hubi hubs huhi huhn huhs huhu huib huir huis hunh huni huns huri hurn hurr hurs huru hush husi huss huub huus ibis ibns ibri ibsn ibss ibus ihis ihss ihub iiii iiis iirs iisi iisr iisu inhs inis inni innr inns innu inri inrs insh inss insu inui inun inus irhs iri- irin iris irri irrs irun irus isbn ishi ishr ishs isin isis isri issh issi issr isss issu isuh isus iuiu iuss n-ii nbhs nhhs nhis nhnn nibi nibs niir niiu ninh nini nins nirs niru nish nisi niss nisu niur nnhs nnnn nnss nrhs nshs nsin nsis nsnr nssb nssr nsss nsub nubi nubs nuhi nuin nunn nuns nuri nurn nurr nurs nuru nush nusi nuss nusu rbbb rbbr rbbs rbhs rbis rbss rhhs rhib rhin rhun rhus rib- ribs ribu rihs riin riis rinn riri rirs rish risi riss risu rius rnbr rnin rnsh rrhs rrrr rrun rsbi rshs rsis rsnn rsnr rubb rubi rubs rubu ruhh ruhi ruhn ruhr ruhs ruin ruis runi runn runs ruri rurs ruru rush rusi russ rusu ruun s-ib s-ii sbbs sbhs sbsi sbus shbs shhh shhs shib shih shii shin shir shis shiu shri shrs shub shui shun shur shus shuu sibi sibs sibu sihi sihr sihs sihu sinh sini sinn sins sinu siri sirr sirs siru sish sisi siss sisu siui sius snhs snib snir snns snrs snub snur snus srhs srib sris srni srnn srub ssbn ssbr sshs ssin ssis ssns ssri ssrs sssb sssh sssi ssss sub- subb subh subi subs suhb suhi suhr suin suir suis sun- sunb suni sunn suns sunu sur- suri surn surr surs suru sus- susi suss susu suus ubbi ubii ubir ubis uhrs uhss uhuh uirr uni- unii unin unir unis unni unns unrs uns- unus urbi urbs urib urin uris uriu urni urns urrh urri ursi urss ursu urun urur urus usbr usbs ushi ushr ushs ushu usin usis usnr usnu ussb ussr usss ussu usui usun usus uuni uuri uusi uuuu