bbbb bbdd bbeb bbpr bd-r bdii bebb bebe bebi bede bedi beeb beed beek beep beer beik beir beke beki berd bere beri berk berr bibb bibe bibi bide bidi bidr bieb bied bier bike bipp birb bird bire biri birk birr bkpr bprd breb bred bree brei brek brep brer brid brie brik brkb brrr dbpd dddd ddie ddre debe debi dedd dede dedi deeb deed deek deep deer deid deie deip deir dek- deke depe depp depr der- derb dere deri derk derp derr dibb dibe dibp dide didi dieb died diep dier diii dike diki dipe dipp dird dire dirk dirr dkid dper dpie dprk dred dree drei drek drib drie drip ebbr ebed eber ebid edde eddi eddp ede- edei eder edie edik edip eede eeee eeke eid- eide eidi eidr eied eiei eier eike eiki eipr eird eire ekeb eked ekek eker ekki ekpe epee eper epi- epid epie epik epip eppp eprb eprp erbb erbe erde erdi ereb ered erei erer erie erik erke erki erpe erre i-be ibed ibid ibie ibrd ibri idbe ided idee ider idid idie idir idre iedr ieie iere ieri iide iied iiie iiii ikee iker ikid ikki ikri ipbk ipdi ipek iper ipid ipie ippr ipri irbe irbp irdp ired iree irer iri- irid irie irip irki irpe irre irri k-id kbbb kbbd kbbe kbbi kbbk kbbr kbdb kbde kbdi kbdr kbeb kbed kbee kbek kber kbib kbid kbie kbik kbkb kbkk kbkr kbpe kbpi kbpk kbpr kbrb kbrd kbre kbri kbrk kdbb kdbi kdbr kddb kddd kddi kddk kddr kdeb kdei kdep kdkb kdkd kdkk kdkr kdpi kdpr kdrb kdri kebb kebe kebi kebr kedb kedd kede kedi kedp kedr keed keek keep keer keib keid keii keik keir kekb keke keki kep- kepd kepe kepi ker- kerb kere keri kerk kerp kerr kibb kibe kibi kibr kidb kidd kide kidi kidk kidr kier kiid kiii kiik kiip kikd kiki kikk kikr kip- kipe kipi kipp kipr kirb kiri kirk kirp kirr kkbb kkbd kkbe kkbi kkbr kkdd kked kkid kkik kkkk kkpk kkrb kkre kkrk kkrr kpbb kpbd kpbe kpbi kpbr kpdb kpdr kpek kper kpid kpir kpke kpkk kpkr kppd kppk kppp kppr kprb kprd kpre kpri kprk kprp kprr krbb krbd krbe krbi krbk krbr krdd krde krdr kreb kred kree krei krek krib krid krik krkd krke krki krkk krkr krpi krpr krrb krre krri krrk krrr pbed pbpk pdpr ped- pede pedi peed peek peep peer peip peir peke peki pekk pepd pepe pepi per- perd pere peri perk perp perr pibb pibi pide pied piep pier piip pike piki pikk pipe pipi pipp pire piri pirk pirr pkib ppdk pper ppib ppid ppie pppd pppp pre- preb pred pree prek prep pri- prid prie prii prpd prrd prri rbbb rbbr rdbp rder rebb rebe rebk redd rede redi redr reeb reed reek reep reid reii reik reir reke reki repe repi repp repr rerd rere reri rib- ribe ridd ride ridi ried riek riep rier rike riki rikk ripd ripe ripi ripp ripr rire riri rpdp rpii rred rrrr