dddd ddpo dfrf dfri didi dido dif- diff diii diki diko diop dior dipo dipp dird dirk dirr dkid dod- dodd dodi dodo doff doid doki doko dood doof dook doop door dopo dopp dopr dord dorf dori dork doro dorp dorr dprk drif drip drod drof drop f--k ffff ffii ffrr fidf fido fiff fifi fifo fiii fiki fior fipp firk fofo foid foki food foof fook fopp for- ford fori fork foro forr fprf frid frik frio frip frop frpd iddo idfp idid idio idir idrf idro ifid ifor ifpo ifrf ifri iiii iiio iioi iioo iiop iipf ikid ikki ikko ikoo ikri iod- iodd iodo ioii ioio ioko ioof iooi iooo iori ipdi ipid ipkf ipko ipod ipop ippf ippo ippr ipri irdo irdp iri- irid irio irip irki irod irop irri k-id kddd kddf kddi kddk kddr kdfi kdfo kdfr kdio kdkd kdkk kdko kdkr kdok kdpi kdpr kdrf kdri kdro kfff kffk kfio kfir kfok kfoo kfor kfpr kfrd kfri kfro kfrp kfrr kidd kidi kidk kido kidr kiff kifr kiid kiii kiik kiip kikd kikf kiki kikk kiko kikr kiod kioi kiok kioo kip- kipi kipo kipp kipr kirf kiri kirk kiro kirp kirr kkdd kkdo kkfi kkfr kkid kkik kkkk kkoo kkor kkpk kkrf kkrk kkro kkrr kodi kodk kodo koff kofi kofk kofo kofp koii koir kokf koki kokk koko kokp kokr kooi kook kooo koop koor kopf kopi kopp kopr kord korf kori kork koro korr kpdf kpdo kpdr kpfk kpfr kpid kpif kpir kpkk kpkr kpod kpof kpok kpoo kpop kppd kppk kppo kppp kppr kprd kprf kpri kprk kpro kprp kprr krdd krdo krdr krfd krff krfo krfp krid krik krio krkd krki krkk krko krkr krod krof kroi krok kroo krop kror krpi krpr krrf krri krrk krro krrr oddd oddi odio odir odoo odop odor odrp ofdr off- offo offr ofid ofik ofor oido oiii oiko okir okko okok okor okpo okro oodi ooff ooid oooo oord opii opio opo- opor oppi oppo ordo orff orfi ori- orid orif orio orko oro- orof orok oror orpi orri orro pdpr pfff pffr pfkp pido piff piip piki pikk piko pipi pipo pipp piri pirk piro pirr pod- podd podi podo poff pofi poid poik poio poko pood poof pook poop poor pop- popi popo popp pori pork poro porr ppdk ppid ppif ppod pppd pppo pppp pprf pri- prid prif prii pro- prod prof proo prop prpd prrd prri rdio rfdi rfid ridd ridi rido riff riif riki rikk ripd ripi ripp ripr riri rkkf rodd rodi rodo roff rofo roid roif roik roio roir roki rokk roko rokr rood roof rooi rook roop roor ropo rori rork roro rpdp rpii rpof rrif rrrr