-ol b-u bbb bbd bbi bbk bbl bbo bbs bbu bdb bdd bdi bdk bdl bdo bds bdu bi- bib bid bii bik bil bio bis biu bkb bkk bkl bko bks blb bld bli blk bll blo bls blu bob bod boi bok bol boo bos bou bsb bsd bsi bsk bsl bso bss bsu bub bud bui buk bul buo bus buu dbb dbd dbi dbk dbl dbo dbs dbu ddb ddd ddi ddk ddl ddo dds ddu di- dib did dii dik dil dio dis diu dkb dki dkk dkl dko dks dku dl- dlb dld dli dlk dll dlo dls dlu dob dod doi dok dol doo dos dou dsb dsd dsi dsk dsl dso dss dsu dub dud dui duk dul duo dus i-d ibb ibd ibi ibk ibl ibo ibs ibu idb idd idi idk idl ido ids idu iib iid iii iil iio iis iiu ikb iki ikk ikl iko iks iku il- ilb ild ili ilk ill ilo ils ilu io- iob iod ioi iol ioo ios iou is- isb isd isi isk isl iso iss isu iu- iub iud iui ius kbb kbd kbi kbk kbl kbo kbs kbu kdb kdk kdl kdo kds kdu kib kid kii kik kil kio kis kiu kkb kki kkk kkl kks kku kl- klb kld kli klo kls klu kob kod koi kok kol koo kos kou ksb ksd ksi ksk ksl kso kss ksu kub kud kui kuk kul kus kuu lbb lbd lbi lbk lbl lbo lbs lbu ldb ldd ldi ldk ldl ldo lds ldu lib lid lii lik lil lio lis liu lkb lkl lks llb lld lli llk lll llo lls llu lob lod loi lok lol loo los lou lsb lsd lsi lsk lsl lso lss lsu lub lud lui luk lul luo lus luu o-i ob- obb obd obi obk obl obo obs obu odb odd odi odl odo ods odu oib oid oii oik oil oio ois oiu okb okd oki okk okl oko oks oku olb old oli olk oll olo ols olu oo- oob ood ooi ook ool ooo oos os- osb osd osi osk osl oso oss osu ou- oud oui ouk oul ouo ous sbb sbd sbi sbk sbl sbo sbs sbu sdb sdd sdi sdk sdl sdo sds sdu sib sid sii sik sil sio sis siu sk- skb skd ski skk skl sko sks sku slb sld sli slk sll slo sls slu sob sod soi sok sol soo sos sou ss- ssb ssd ssi ssk ssl sso sss ssu sub sud sui suk sul suo sus suu ubb ubi ubk ubl ubo ubs ubu udb udd udi udk udl udo uds udu uib uid uii uil uio uis uiu ukb uki ukk ukl uku ulb uld uli ulk ull ulo uls ulu uob uod uok uol uoo uos usb usd usi usk usl uso uss usu uus uuu

-ous bbbb bbbs bbdd bbdo bblb bbls bdii bdls bdos bdsd bibb bibi bibl bibo bibs bidi bido bids bidu biis biko biku bild bili bilk bill bilo bils bilu bio- bioi biol bios biou bis- bisd bisk bisl biso biss bisu blik blio blis blkb blkd blls blob blod blok bloo blou blss blub blud blus bobb bobi bobo bobs bobu bodb bodi bodo bods bodu boi- boid boii boil bois boiu boki boko boks boku bold boli bolk boll bolo bols bolu boob bood book bool boos bosi bosk boso boss bosu boud bouk boul bous bsbd bsdl bsod bsos bssd bubb bubi bubo bubs bubu budb budd budi budl budo buds budu buid buik buis buiu buki bukk buko buku bulb buld buli bulk bull buls bulu buol busi busk buss busu buus d-bo dbls dbos dbss dbus dddd ddss ddub dibb dibo dibs didi dido dids didu diii diis diki diko diku dili dilk dill dilo dils diol dios diou dis- disd disi disk diso diss dius dkid dlbd dlib dlii dlil dlis dlos dobb dobi dobl dobs dobu dod- dodd dodi dodo dods doid doil dois doki doko dold doli dolk doll dolo dols dolu doob dood dook dool doos dosi dosk doso doss doub doud douk doul dous dsls dsos dssi dub- dubb dubs dubu dudd dudo duds dudu duid duil duis duki duku duli dull dulo dulu duo- duos dusi dusk duul ibdo ibid ibis ibos ibss ibus iddo idid idil idio idis idku idli idls idol idos idso idss idub iduo idus iiii iiio iiis iioi iioo iios iisd iisi iisu ikid ikki ikko ikoo iksu ikuo ilio ilis ilki ilks ilku ill- illd illi illo ills ilok iloo ilos ilud ilus iobi iod- iodd iodo ioii ioio ioko iolo iooi iooo ioos ioso iosu ious isbd isbl isdb isds isil isis isko isku isls iso- isok isol isos issi isso isss issu isus iuds iuiu iusd iuss k-id k-lo k-os kbbb kbbd kbbi kbbk kbbl kbbo kbbs kbbu kbdb kbdi kbdl kbdo kbds kbib kbid kbik kbil kbio kbis kbiu kbkb kbkk kbkl kbko kblb kbld kbll kblo kbls kblu kbob kbod kboi kbok kboo kbos kbsb kbsi kbsk kbso kbss kbsu kbub kbud kbuk kbul kbus kbuu kdbb kdbi kdbl kdbs kddb kddd kddi kddk kddl kdil kdio kdis kdkb kdkd kdkk kdko kdlb kdld kdll kdlo kdls kdok kdsd kdsk kdsl kdss kdsu kdub kdus kibb kibi kibl kibo kibs kibu kidb kidd kidi kidk kidl kido kids kidu kiid kiii kiik kiis kiiu kikd kiki kikk kiko kiku kilb kild kili kilk kill kilo kiod kioi kiok kiol kioo kiou kisd kisi kisk kisl kiso kiss kisu kiul kiuu kkbb kkbd kkbi kkbl kkbo kkbs kkdd kkdl kkdo kkid kkik kkkk kklb kkld kkli kkll kklo kkls kkob kkol kkoo kksd kksi kkss kksu kkus kkuu klbb klbd klbl klbs klbu kldd klds klib klid klik klil klio klis kliu klkk klkl klko klks kllb kllk klls klob klok klol kloo klos klou klsd klsi klsu klub kluk kluu