bbbb bbch bbci bbdd bbeb bbrc bcbc bccc bcci bcde bcec bcer bchd bche bcie bd-r bdbc bddc bddh bdii bebb bebe bebi bech beci beck bede bedi beeb beed beek beer behr beic beik beir beke beki berc berd bere beri berk berr bhcc bher bhie bhir bibb bibe bibi bicc bice bich bici bick bide bidi bidr bieb bied bier bihe bihi bike bikh birb bird bire biri birk birr brcb brce breb brec bred bree brei brek brer bric brid brie brih brik brkb brrr c-cd cbbc cbcc cbce cbcr cbdb cbdc cbdi cbec cbee cber cbid cbir cbkr cbrd cbre cbrh ccbc cccb cccc ccci ccdc ccdh ccdi ccdr cced ccee cche cchr ccic ccid ccii ccir ccrc ccre ccri cd-e cd-r cddb cddr cdec cder cdic cdii cdre cec- cece ceci cedd cede cedi ceeb ceec ceke cer- cerc cerd cere ceri chce chch chci chdi cheb chec ched chee cheh chek cher chib chic chid chie chih chik chir chkb chrb chrc chrd chrr cibc cibe cibi cicc cich cici cicr cidc cide cidi cidr ciee cier cihr ciid ciii cikr cirb circ cire cirh ciri cirk cirr ckbc ckbe ckbi ckch ckck cker ckrc ckrd crbc crcc crce crcr crdc cre- creb crec cred cree creh crei crib cric crie crik crkc dbcc dcbc dccb dccc dcci dcdb dche dcii dcrk dddd ddie ddrc ddre debe debi dec- decc decd dece deci deck dedd dede dedi deeb deed deek deer dehi deid deie deih deir dek- deke dekh der- derb derc dere deri derk derr dhec dhed dhee dher dibb dibe dice dich dici dick dide didi dieb died dier diii dike dikh diki dird dire dirk dirr dkdc dkid drbc dred dree dreh drei drek drib dric drie drih ebbc ebbr ebcc ebed eber ebic ebid ecbc ecbe eccb eccc ecce ecci ecdc eced eche ecib ecrc ecri ecrr eddc edde eddi ede- edeh edei eder edhi edie edik eede eeee eeke eerc ehcc ehdd eheh eher ehre eich eick eid- eide eidi eidr eiec eied eiei eier eike eiki eird eire ekch ekeb eked ekek eker ekki erbb erbe ercc erce erch erde erdi ereb erec ered erei erer erhc eric erie erih erik erke erki errc erre h-ii hbcd hbic hcbc hccb hccc hcch hcdr hchi hcrd hdbk hdci hdri hebb hebe hebi hebr hech heck hedd hede hedi heeb heed heek heer hehe heic heid heie heih heik heir heke herb herc herd here heri herk herr hhhh hi-c hibi hicc hice hich hick hide hidi hied hiei hier hihc hihe hihi hiie hike hiki hird hire hiri hirk hkcc hkir hrdc hree hrib hrid hrrc i-be ibec ibed ibeh ibid ibie ibrc ibrd ibri icbc icbd iccb iccc icci iccr icdc icdd icde icec iced icee icer ichc ichd iche ichi ichr icke icrc icre icrr idbe idce idcr idec ided idee ider idic idid idie idir idrc idre iecc iedr ieie iere ieri ihcc ihdr ihed iher ihrc ihrd ihre iicd iide iied iiie iiii iirc ikee iker ikid ikki ikri irbe ircc ircd irdc ired iree irer iri- iric irid irie irki irrc irre irri k-ci k-id kbbb kbbc kbbd kbbe kbbi kbbk kbbr kbcb kbce kbch kbci kbck kbcr kbdb kbde kbdi kbdr kbeb kbec kbed kbee kbeh kbek kber kbhb kbhc kbhe kbhh kbhi kbhr kbib kbic kbid kbie kbik kbkb kbkk kbkr kbrb kbrc kbrd kbre kbrh kbri kbrk kcbc kcbd kcbi kcbk kcbr kccb kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kceb kcec kced kcee kcei kche kchh kchi kchk kchr kcic kcid kcie kcii kcir kckc kckk kckr kcrc kcrh kcri kcrr kdbb kdbi kdbr kdcc kdcd kdce kdcr kddb kddc kddd kddi kddk kddr kdeb kdec kdei kdic kdkb kdkd kdkk kdkr kdrb kdri kebb kebc kebe kebi kebr kech keck kecr kedb kedc kedd kede kedi kedr keed keeh keek keer kehk kehr keib keid keii keik keir kekb kekc keke keki ker- kerb kerc kere keri kerk kerr khbc khbd khbr khcb khcc khch khck khdc khdk khdr kheb khec khed kher khhk khic khid khii khke khki khkk khkr khrd khri khrk khrr kibb kibc kibe kibi kibr kicb kicc kicd kice kick kicr kidb kidd kide kidi kidk kidr kier kihc kihh kihi kihk kihr kiic kiid kiii kiik kikc kikd kiki kikk kikr kirb kirc kiri kirk kirr kkbb kkbd kkbe kkbi kkbr kkcb kkcd kkch kkci kkck kkcr kkdc kkdd kked kkhb kkhh kkhi kkhk kkhr kkic kkid kkik kkkk kkrb kkrc kkre kkrh kkrk kkrr krbb krbd krbe krbi krbk krbr krcb krcc krcd krce krch krci krdc krdd krde krdr kreb krec kred kree kreh krei krek krhc krib krid krik krkc krkd krke krkh krki krkk krkr krrb krrc krre krri krrk krrr rbbb rbbr rcbc rccb rccc rcdc rcde rchb rcic rcid rcrd rder rebb rebe rebk recc recd rece rech reci reck recr redc redd rede redh redi redr reeb reed reek rehb rehe rehi reid reii reik reir reke reki rerd rere reri rhce rheb rhee rhib rib- ribe ricc rice rich rick ridc ridd ride ridi ried riek rier rike riki rikk rire riri rred rrrr