bbbb bbbs bbhs bbin bblb bbls bhhs bhil bhir bhur bhuu bibb bibi bibl bibs bihi bihl bihs bihu biin biis bili bill bils bilu bin- binh bini binn bins binu birb biri birl birn birr birs biru bis- bish bisl biss bisu blhs blin blir blis blls blni blss blub blur blus bnhs bnib bnin bnrr bnss brhs brih bril brin bris brls brns brrr brrs brsb brsr bruh brun brus bshs bsin bsns bubb bubi bubs bubu buhi buhl buhr buhs buin buir buis buiu bulb buli bull buls bulu bunb buni bunn buns bunu bur- burb burh buri burl burn burr burs buru bush busi buss busu buus h-ii hbbs hbhs hbrs hbss hhhh hhhs hhus hibi hibu hihi hiil hiis hiiu hili hill hils hilu hinn hins hiri hirn hirs hiru hisb hish hisn hiss hlhs hlin hlss hlul hnhs hrbl hrhs hrib hrun hshs hsin hsls hsni hsur hubb hubi hubl hubs huhi huhn huhs huhu huib huil huir huis huli hull huls hulu hunh huni huns huri hurl hurn hurr hurs huru hush husi huss huub huus ibis ibns ibri ibsn ibss ibus ihis ihss ihub iihl iiii iiis iirs iisi iisr iisu ilin ilir ilis ill- illi ills ilni ilus inhs inis inni innr inns innu inri inrs insh inss insu inui inul inun inus irhs iri- iril irin iris irlb irri irrs irul irun irus isbl isbn ishi ishr ishs isil isin isis isls isri issh issi issr isss issu isuh isus iuiu iuss lbhs lblr lbrs lhbs lhhh lhhs lhss lhun libr libs libu lih- lihi liii liin liir liis lilb lili lill lils lilu linh linn lins liri lirl lirn lirr lirs liru lish lisi liss lisu liun lius llbs llhs llll lnhs lrhs lrrr ls-r lsbu lshs lssr lubs luhi luhu luin luis luli lull lulu luni lunn luns luri lurs lush lusi luss n-ii nbhs nhhl nhhs nhis nhnn nibi nibs nihl niir niiu nili nill nils nilu ninh nini ninl nins nirs niru nish nisi nisl niss nisu niur nlhs nlls nlrb nnhs nnls nnnn nnsl nnss nrhs nrlb nrrl nshs nsin nsis nslr nsls nsnr nsrl nssb nssr nsss nsub nubi nubl nubs nuhi nuin nuli null nunn nuns nuri nurl nurn nurr nurs nuru nush nusi nusl nuss nusu rbbb rbbr rbbs rbhs rbis rbsl rbss rhhs rhib rhin rhli rhls rhun rhus rib- ribs ribu rihs riin riis rill rilu rinn riri rirs rish risi riss risu rius rlin rlls rlsh rnbr rnhl rnin rnli rnsh rrhs rrrr rrun rsbi rshs rsis rsnn rsnr rssl rubb rubi rubs rubu ruhh ruhi ruhl ruhn ruhr ruhs ruin ruis rull 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 shil shin shir shis shiu shl- shls shri shrs shub shui shul shun shur shus shuu sibi sibs sibu sihi sihl sihr sihs sihu sil- sili sill sils silu sinh sini sinn sins sinu siri sirr sirs siru sish sisi siss sisu siui sius sl-i slhs slib slir slln slrn slrs slsu slub slur snhs snib snir snns snrs snub snur snus srhs srib sris srni srnn srub ssbn ssbr sshl sshs ssin ssis ssns ssri ssrl ssrs sssb sssh sssi ssss sub- subb subh subi subl subs suhb suhi suhl suhr suin suir suis sul- sulh suli sull sulu sun- sunb suni sunn suns sunu sur- suri surn surr surs suru sus- susi suss susu suus ubbi ubii ubir ubis ubli ubls uhrs uhss uhuh uirr ulli ullr ulul ulus uni- unii unin unir unis unni unns unrs uns- unus urbi urbs urib urin uris uriu urls urni urns urrh urri ursi urss ursu urun urur urus usbl usbr usbs ushi ushr ushs ushu usin usis uslu usnr usnu ussb ussr usss ussu usui usul usun usus uulu uuni uuri uusi uuuu