-ol b-u bbb bbd bbi bbl bbo bbr bbs bbu bdb bdd bdi bdl bdo bdr bds bdu bi- bib bid bii bil bio bir bis biu blb bld bli bll blo blr bls blu bob bod boi bol boo bor bos bou brb brd bri brl bro brr brs bru bsb bsd bsi bsl bso bsr bss bsu bub bud bui bul buo bur bus buu dbb dbd dbi dbl dbo dbr dbs dbu ddb ddd ddi ddl ddo ddr dds ddu di- dib did dii dil dio dir dis diu dl- dlb dld dli dll dlo dlr dls dlu dob dod doi dol doo dor dos dou drb drd dri drl dro drr drs dru dsb dsd dsi dsl dso dsr dss dsu dub dud dui dul duo dur dus i-d ibb ibd ibi ibl ibo ibr ibs ibu idb idd idi idl ido idr ids idu iib iid iii iil iio iir iis iiu il- ilb ild ili ill ilo ilr ils ilu io- iob iod ioi iol ioo ior ios iou ir- irb ird iri irl iro irr irs iru is- isb isd isi isl iso isr iss isu iu- iub iud iui iur ius lbb lbd lbi lbl lbo lbr lbs lbu ldb ldd ldi ldl ldo ldr lds ldu lib lid lii lil lio lir lis liu llb lld lli lll llo llr lls llu lob lod loi lol loo lor los lou lrb lrd lri lro lrr lrs lru lsb lsd lsi lsl lso lsr lss lsu lub lud lui lul luo lur lus luu o-i ob- obb obd obi obl obo obr obs obu odb odd odi odl odo odr ods odu oib oid oii oil oio oir ois oiu olb old oli oll olo ols olu oo- oob ood ooi ool ooo oor oos or- orb ord ori orl oro orr ors oru os- osb osd osi osl oso osr oss osu ou- oud oui oul ouo our ous rbb rbd rbi rbl rbo rbr rbs rbu rdb rdd rdi rdl rdo rdr rds rdu rib rid rii ril rio rir ris rld rli rll rlo rlr rls rlu rob rod roi rol roo ror ros rou rrb rrd rri rrl rrr rrs rru rsb rsd rsi rsl rso rsr rss rsu rub rud rui ruo rur rus ruu sbb sbd sbi sbl sbo sbr sbs sbu sdb sdd sdi sdl sdo sdr sds sdu sib sid sii sil sio sir sis siu slb sld sli sll slo slr sls slu sob sod soi sol soo sor sos sou sr- srb srd sri srl sro srr srs ss- ssb ssd ssi ssl sso ssr sss ssu sub sud sui sul suo sur sus suu ubb ubi ubl ubo ubr ubs ubu udb udd udi udl udo udr uds udu uib uid uii uil uio uir uis uiu ulb uld uli ull ulo ulr uls ulu uob uod uol uoo uor uos ur- urb urd uri url uro urr urs uru usb usd usi usl uso usr uss usu uur uus uuu

-ous bbbb bbbs bbdd bbdo bblb bbls bd-r bdii bdls bdos bdsd bibb bibi bibl bibo bibs bidi bido bidr bids bidu biis bild bili bill bilo bils bilu bio- bioi biol bios biou birb bird biri birl biro birr birs biru bis- bisd bisl biso biss bisu bldr blio blir blis blls blob blod bloo blou blss blub blud blur blus bobb bobi bobo bobs bobu bodb bodi bodo bods bodu boi- boid boii boil bois boiu bold boli boll bolo bols bolu boob bood bool boor boos bor- bord bori boro borr bors boru bosi boso boss bosu boud boul bour bous brdo brds brid bril brio bris brls brob brod brol broo bror bros brou brrr brrs brsb brsr brud brus bsbd bsdl bsod bsos bsrd bssd bubb bubi bubo bubs bubu budb budd budi budl budo buds budu buid buir buis buiu bulb buld buli bull buls bulu buol bur- burb burd buri burl buro burr burs buru busi buss busu buus d-bo dbls dbos dbrs dbss dbus dddd ddss ddub dibb dibo dibs didi dido dids didu diii diis dili dill dilo dils diol dior dios diou dird dirl dirr dirs dis- disd disi diso diss dius dlbd dlib dlii dlil dlis dlos dlrs dobb dobi dobl dobs dobu dod- dodd dodi dodo dods doid doil dois dold doli doll dolo dols dolu doob dood dool door doos dord dori doro dorr dors doru dosi doso doss doub doud doul dour dous drib dril drob drod drol drou drrs drub drui drus druu dsdr dsls dsos dsri dsrr dssi dub- dubb dubs dubu dudd dudo duds dudu duid duil duir duis duli dull dulo dulu duo- duos duri duro duru dusi duul duur ibdo ibid ibis ibos ibrd ibri ibro ibss ibus iddo idid idil idio idir idis idli idls idol idos idro idso idss idub iduo idus iiii iiio iiis iioi iioo iios iirs iisd iisi iisr iisu ilio ilir ilis ill- illd illi illo ills iloo ilos ilud ilus iobi iod- iodd iodo ioii ioio iolo iooi iooo ioos iori iors ioso iosu ious irdo irds iri- irid iril irio iris irlb irob irod irri irrs irul irus isbd isbl isdb isds isil isis isls iso- isol isor isos isri issi isso issr isss issu isus iuds iuiu iusd iuss lbds lblr lbos lbrs ldls ldos ldrs libo libr libs libu lidb lidl lido lids liii liir liis lilb lili lill lilo lils lilu lio- liod lior lios lird liri lirl liro lirr lirs liru lisd lisi liso liss lisu lius llbs lldb llds llll llod lloo llud lob- lobb lobi lobo lobs lodi lods loid loir lois loiu lold loli loll lolo lols loob lood lool loor loos lord lori loro lors losi loso loss loud loui loul lour lous louu lrdd lrds lroi lrrr ls-r lsbu lsds lsid lsso lssr lubs ludd ludi ludo luis luli lull lulu lurd luri lurs