bbbb bbbs bbdd bbdo bdii bdos bdsd bibb bibi bibo bibs bidi bido bids biis biko bio- bioi bios bipp bips bis- bisd bisk biso bisp biss bksp bobb bobi bobo bobs bodb bodi bodo bods boi- boid boii bois boki boko boks boob bood book boop boos bopp bops bosi bosk boso boss bsbd bsod bsos bspp bssd d-bo dbos dbpd dbss dddd ddpo ddps ddss dibb dibo dibp dibs didi dido dids diii diis diki diko diop dios dipo dipp dips dis- disd disi disk diso disp diss dkid dobb dobi dobs dod- dodd dodi dodo dods doid dois doki doko doob dood dook doop doos dopo dopp dops dosi dosk doso doss dpos dpsd dsdp dsip dsos dsps dssi dssp ibdo ibid ibis ibos ibss iddo idid idio idis idos idps idso idss iiii iiio iiis iioi iioo iiop iios iisd iisi iisp ikid ikki ikko ikoo iobi iod- iodd iodo ioii ioio ioko iooi iooo ioos iops ioso ipbk ipdi ipid ipko ipod ipop ipos ippo ipsi ipso ipsp ipss isbd isdb isds isis isko iso- isok isop isos isps issi isso issp isss k-id k-os kbbb kbbd kbbi kbbk kbbo kbbs kbdb kbdi kbdo kbds kbib kbid kbik kbio kbis kbkb kbkk kbko kbob kbod kboi kbok kboo kbos kbpi kbpk kbpo kbps kbsb kbsi kbsk kbso kbss kdbb kdbi kdbs kddb kddd kddi kddk kdio kdis kdkb kdkd kdkk kdko kdok kdpi kdps kdsd kdsk kdsp kdss kibb kibi kibo kibs kidb kidd kidi kidk kido kids kiid kiii kiik kiip kiis kikd kiki kikk kiko kiod kioi kiok kioo kip- kipi kipo kipp kips kisd kisi kisk kiso kiss kkbb kkbd kkbi kkbo kkbs kkdd kkdo kkid kkik kkkk kkob kkoo kkpk kkps kksd kksi kksp kkss kobb kobi kobk kobo kobs kodi kodk kodo kods koii kokb koki kokk koko kokp koks koob kooi kook kooo koop koos kopb kopi kopp kops kos- kosb kosd kosi koso kosp koss kpbb kpbd kpbi kpbs kpdb kpdo kpid kpkk kpob kpod kpok kpoo kpop kppd kppk kppo kppp kpsd kpsi kpso kpsp ksbi ksbp ksbs ksdi ksdk ksdp ksds ksib ksid ksii ksik ksip ksis kskb kskd kskk ksko ksks ksob ksoi ksok ksoo ksop ksos kspb kspd kspi kspk kspo ksps kssi ksso ksss obbo obid obis obkb oboi obok obos obsd obss odbo oddd oddi odds odio odis odoo odop odos odso oido oids oiii oiko oiks oios oisd okko okok okpo oksi okso oobi oodi ooid oooo ooos oops oosi opds opii opio opis opo- opos oppi oppo opps opsi osbp osdi osii osik osip osis oski osoi osoo osos ossb ossd ossi osso pbpk pbsp pdbs pdos pdsd pdss pibb pibi pido pids piip piki pikk piko piks piob pipi pipo pipp pips pisd pisi pisk piso piss pkib pobo pobs pod- podd podi podo pods poid poik poio pois poko pood pook poop poos pop- popi popo popp pops posb posi posk poso poss ppdk ppds ppib ppid ppod ppos pppd pppo pppp ppps ppss psbd psdi psdp psds psid psip psis psoi psos pspi pspp psps psso s-ib s-ii s-os sbbs sbds sbsd sbsi sbsp sdds sdib sdio sdps sdss sibi sibo sibs sidd sidi sido sids siik siki siko siks siod siop sios sipi sipo sipp sips sisd sisi sisk siss skid skik skio skip skis skop skpo sksd skss sobo sobp sobs sodd sodo sods soik sois soki sokk soko sood sook soop soos sopd sopi sopo sopp sops sosi soso soss spdp spib spik spio spip spis spod spok spoo spop spos sppd spps spsd spso spsp spss ssdd ssdp ssid ssis ssop sspo ssps sssb sssi ssss