bbbb bbdd bbpr bd-r bdii bdry bibb bibi bidi bidr bidu biku bipp bipu birb bird biri birk birr biru biry bizu bizz bkpr bkry bprd brdy brid brik briz brkb brrr brud brup bruz bry- bryd bryk bubb bubi bubu budb budd budi budu budy buid buik buir buiu buki bukk buku buky bur- burb burd buri burk burp burr buru bury burz buuz buyi buyu buzi buzy buzz byik byki byrd byrk byyd bzip bzrk bzyb bzzz dbpd dddd ddry ddub dibb dibp diby didi didu didy diii diki diku dipp dipu dird dirk dirr diyi diyu dizi dizu dizy dizz dkid dprk dpyd drib drip drub drui druk drup druu dry- dub- dubb dubu duby dudd dudu duid duir duki duku duri durk duru dury duur duyr duzi dybu dydd dykp dykr dyku dyr- dyrb dyri dyrk dyru dyur dyyr dzbb dzik dzip dzki dzrr dzud dzup dzur dzyb i-by ibid ibrd ibri ibuy ibyi idid idir idku idub iiii ikid ikki ikky ikri ipbk ipdi ipid ippr ippy ipri ipur irbp irby irdp iri- irid irip iriy irki irri iuiu iupp izby izki izzy k-id kbbb kbbd kbbi kbbk kbbr kbbu kbbz kbdb kbdi kbdr kbdy kbdz kbib kbid kbik kbiu kbiy kbiz kbkb kbkk kbkr kbky kbkz kbpi kbpk kbpr kbpu kbpy kbrb kbrd kbri kbrk kbru kbry kbrz kbub kbud kbuk kbup kbur kbuu kbuy kbuz kbyb kbyi kbyr kbyu kbyz kbzd kbzi kbzu kbzy kbzz kdbb kdbi kdbr kddb kddd kddi kddk kddr kdiz kdkb kdkd kdkk kdkr kdpi kdpr kdrb kdri kdry kdub kdup kdur kduz kdyk kdzr kdzy kdzz kibb kibi kibr kibu kiby kibz kidb kidd kidi kidk kidr kidu kidy kidz kiid kiii kiik kiip kiiu kikd kiki kikk kikr kiku kikz kip- kipi kipp kipr kipu kirb kiri kirk kirp kirr kiru kiup kiur kiuu kiyi kiyk kiyu kizz kkbb kkbd kkbi kkbr kkbz kkdd kkdy kkdz kkid kkik kkkk kkpk kkpz kkrb kkrk kkrr kkrz kkup kkuu kkyy kkyz kkzu kkzy kkzz kpbb kpbd kpbi kpbr kpbz kpdb kpdr kpid kpir kpkk kpkr kpky kppd kppk kppp kppr kprb kprd kpri kprk kprp kprr kpru kprz kpub kpur kpyk kpyr kpzk krbb krbd krbi krbk krbr krbz krdd krdr krdu krdy krdz krib krid krik kriz krkd krki krkk krkr krku krky krkz krpi krpr krpu krrb krri krrk krrr krry krrz krui kruk krup krur kruz kryd kryk kryp kryy krzi krzk krzr krzy krzz kubb kubd kubr kubu kuby kudd kudi kudu kuik kuki kukk kuku kuky kupb kupd kupr kupu kurb kurd kuri kurk kurr kuru kury kurz kuub kuuk kuur kuuu kuuz kuyi kuyu kuyy kuzu kuzz kybb kybi kybp kybr kyby kydd kydy kyiz kykd kykk kykr kyky kykz kyp- kypb kypr kyrk kyuk kyur kyuu kyyi kyyk kyyy kyyz kyzk kyzz kzbb kzbd kzbi kzbk kzbr kzbz kzdr kzdy kzid kzip kziz kzkr kzky kzkz kzpi kzpk kzpr kzrb kzrd kzrk kzrr kzrz kzuu kzuz kzyp kzyr kzzb kzzd kzzi kzzk kzzp kzzr kzzy kzzz pbpk pdpr pibb pibi piip piki pikk piku piky pipi pipp pipy piri pirk pirr piru piry pizy pkib ppdk ppib ppid pppd pppp ppru ppur pri- prid prii prky prpd prrd prri prud pruu pryk pubu pudu puid puir puiu puki puku puky pupi pupu pupy pur- purb puri purp purr puru pury puy- puyi puzi pykk pypy pyr- pyri pyrk pyry pyzy rbbb rbbr rdbp rib- ribu riby ridd ridi riki rikk riku ripd ripi ripp ripr riri rizi rizk rizu rizz rpdp rpii rrrr rubb rubi rubp rubu ruby rudd rudi rudp rudy ruid ruiz ruki rukk ruku rupp rupy rurd ruri rurp ruru ruud ruyd ruyi ruzi rybp rydy rydz ryip ryki ryuk rzip u-rp ubbi ubid ubii ubik ubir ubud uddi udid udir udpd uduk uipi uirr ukip ukky ukup ukur upby uppp uppu uppy upri upup urbi urdu urdy urdz urib urik uriu urri urry uruk urup urur uruz urzy uuri uuuu uyir uzzi ybry yidi yidu yirb yird yirk yirr yiud ykid ypir yubu yudu yuki yuku yuky yupi yurd yuri yury yuyu yuzi yuzu yyyy zbik zidi ziip ziki zikr zipp ziri zirp ziyi ziyu zizi zizz zubi zubr zubu zuby zuid zuki zukr zurb zurr zuru zuuk zuzu zydy zypp zyyi zzzz