-ji b-u bbb bbi bbo bbr bbs bbu bi- bib bii bij bio bir bis biu bji bjj bjr bjs bju bob boi boj boo bor bos bou brb bri brj bro brr brs bru bsb bsi bsj bso bsr bss bsu bub bui buj buo bur bus buu ibb ibi ibj ibo ibr ibs ibu iib iii iij iio iir iis iiu ijb iji ijo ijs iju io- iob ioi ioj ioo ior ios iou ir- irb iri irj iro irr irs iru is- isb isi isj iso isr iss isu iu- iub iui iur ius j-i jbi jbj jbo jbr jbs jbu jib jii jij jio jir jis jiu jjb jjj jjr jjs jju job joi joj joo jor jos jou jrb jri jro jrr jrs jsb jsi jsj jso jsr jss jsu jub jui juo jur jus o-i ob- obb obi obj obo obr obs obu oib oii oio oir ois oiu ojb oji ojo ojs oju oo- oob ooi ooo oor oos or- orb ori oro orr ors oru os- osb osi osj oso osr oss osu ou- oui ouo our ous rbb rbi rbo rbr rbs rbu rib rii rio rir ris rjr rob roi roj roo ror ros rou rrb rri rrr rrs rru rsb rsi rsj rso rsr rss rsu rub rui ruo rur rus ruu sbb sbi sbj sbo sbr sbs sbu sib sii sij sio sir sis siu sjb sji sjj sjr sjs sju sob soi soj soo sor sos sou sr- srb sri srj sro srr srs ss- ssb ssi ssj sso ssr sss ssu sub sui suo sur sus suu ubb ubi ubo ubr ubs ubu uib uii uio uir uis uiu uji ujo ujs uob uoj uoo uor uos ur- urb uri uro urr urs uru usb usi usj uso usr uss usu uur uus uuu

-ous bbbb bbbs bibb bibi bibo bibs biis biji bijs biju bio- bioi bios biou birb biri biro birr birs biru bis- biso biss bisu bobb bobi bobo bobs bobu boi- boii bois boiu boji bojo boju boob boor boos bor- bori borj boro borr bors boru bosi boso boss bosu bour bous brio bris brob broo bror bros brou brrr brrs brsb brsr brus bsos bubb bubi bubo bubs bubu buir buis buiu buji bujo buju bur- burb buri burj buro burr burs buru busi buss busu buus ibis ibos ibri ibro ibss ibus iiii iiio iiis iioi iioo iios iirs iisi iisj iisr iisu ijji ijui iobi ioii ioio iooi iooo ioos iori iors ioso iosu ious iri- irio iris irob irri irrs irus isis iso- isor isos isri issi isso issr isss issu isus iuiu iuss j-ro jbob jibb jibi jibs jiji jiju jiri jiro jiru jiso jobo jobs jobu joio jois joji jojo joor joos joro joso joss jour jous jrbr jssr jsss jubu juis juju juri jurr jurs jusi juss obbo obis oboi obor obos obri obro obsr obss obus oiii oios oisu ojos ojus oobi ooij ooji oooo ooos oosi oous orbb orbi orbo orbs orbu ori- orio oris orji oro- oror oros orri orro orrs orsi orso orsu orub oruj orus osii osis osoi osoo osor osos osro ossb ossi osso ossu oubs ouii ouir ouis ouju our- ouro ours ouu- rbbb rbbr rbbs rbis rbss rib- ribo ribs ribu riis riji rijo rijs rios riou riri rirs risi riso riss risu rius rob- robb robi robo robs robu roio roir rois roiu roji rojo rojs roob rooi roor roos rori roro roru rosi roso ross roub rous rrrr rsbi rsis rsos rubb rubi rubs rubu ruis ruri ruro rurs ruru rusi ruso russ rusu s-ib s-ii s-os sbbs sbor sbsi sbus sibi sibo sibs sibu sijo sior sios siou siri siro sirr sirs siru sisi siss sisu siui sius sjis sjsu sjur sobo sobr sobs sobu soir sois soji soju soor soos sorb sori soro sorr sors soru sosi soso soss sour sous srib sris sros srub ssbr ssis ssri ssrs sssb sssi ssss sub- subb subi subj subo subs suio suir suis suji suor suos sur- suri suro surr surs suru sus- susi suso suss susu suus ubbi ubbo ubii ubir ubis ubos uirr uor- urbi urbs urib uris uriu uro- uroo urri ursi urso urss ursu urur urus usbr usbs usis usoi usos ussb ussr usss ussu usui usus uuri uusi uuuu

bbuss bibbo bibbs bibio bibis bibos bibri bibus bijou bijur biojs bioss biros birou birrs birur bisou bo-bo bobbi bobos bobr bobri boios boiro boobs booji boors booru borbo borio boris boro- boroo boros borou borro borsi borsu borus bosio bosor bossi bosso bouri bours briou brisb brisi briss brobo brobs broos bross brous brrrr bruis bruiu brujo bruri bruss bsous buijs bujor bujru burbs burio burji buroo buros burri burro burrs burru burus busir busso bussu busur busuu ibbur ibibo ibros iiiii iiris iisir ioooi ioooo iorio irbis irios iris- iriss irisu irobo irori irour irous irssi is-is isios isiro isisi isour isrib issor issou issru issus issuu isuus j-bis j-bus jboss ji-su jibbs jibou jiuru jobbi jobos jooss joosu joris jorus josso jossu jours ju-ju jubii jubur jubus jujus jurij juris juror jursi jussi juuru o-r-b oboro obosi ojiji ojiro ojuju ooioo ooooo orbis orbus oribi orius orobo orosi oroso orosu orris orsis orsjo orujo oruro ososo ossi- ossis ossos ossur osubi osusu ouir- ouoro ribbi ribo- riisu risso risus ro-ro robbi robbo robbs robo- robor robur roosi rorbu rosis rossi rosso rosss rosu rubbi rubio rubis rubor rubus ruiru rusio rusor russi russo s-bus s-iii s-o-r sibir sibiu sibor sibos sibsu sibur sijiu sijos sirio siris siriu siror siros sirsi sirur sisis sisor sissi sissu siuri siuru siusi sjors so-so sobor sobri soirs sooji soori sooru soosi sorbo sorbs sorio soror soros sorso sorsu sorus soss- sossi sosui sosus souri sours sous- sssrb sssss su-ji subbu subis suboi subos subss suibu surbo surir suris surju surui suruj surur surus susso susus ubirr ubisi ubobo ubris uibis uiro