ddd ddf ddi ddk ddo ddp ddr dds dfd dff dfi dfk dfo dfp dfr dfs di- did dif dii dik dio dip dir dis dki dkk dko dkp dkr dks dod dof doi dok doo dop dor dos dpd dpf dpi dpk dpo dpp dpr dps drd dri drk dro drp drr drs dsd dsf dsi dsk dso dsp dsr dss fdd fdf fdi fdk fdo fdp fdr fds ffd fff ffi ffk ffo ffp ffr ffs fid fif fii fik fip fir fis fkf fki fkk fkp fof foi fok foo fop for fos fpd fpi fpk fpo fpp fpr fps frd frf fri frk fro frp frr frs fsd fsf fsi fsk fso fsp fsr fss i-d i-f idd idf idi idk ido idp idr ids ifd iff ifi ifo ifp ifr ifs iid iif iii iio iip iir iis ikf iki ikk iko ikr iks io- iod iof ioi ioo iop ior ios ipd ipf ipi ipo ipp ipr ips ir- ird irf iri irk iro irp irr irs is- isd isf isi isk iso isp isr iss kdf kdk kdo kdp kdr kds kfd kff kfi kfo kfs kid kif kii kik kio kip kir kis kki kkk kkp kkr kks kod kof koi kok koo kop kor kos kpd kpf kpi kpk kpo kpp kpr kps krd krf kri krk kro krp krr krs ksd ksf ksi ksk kso ksp ksr kss o-i odd odf odi odo odp odr ods of- ofd off ofi ofo ofp ofr ofs oid oif oii oik oio oip oir ois okd oki okk oko okp okr oks oo- ood oof ooi ook ooo oop oor oos op- opd opf opi opk opo opp opr ops or- ord orf ori ork oro orp orr ors os- osd osf osi osk oso osp osr oss p-p pdd pdf pdi pdk pdo pdp pdr pds pfd pff pfi pfk pfo pfp pfr pfs pid pif pii pik pio pip pir pis pkd pkf pki pko pkp pkr pks pod pof poi pok poo pop por pos ppd ppf ppi ppk ppo ppp ppr pps prd prf pri prk pro prp prr prs ps- psd psf psi psk pso psp psr pss rdd rdf rdi rdo rdp rdr rds rfd rff rfi rfk rfo rfp rfr rfs rid rif rii rik rio rip rir ris rkf rkk rko rkp rks rod rof roi rok roo rop ror ros rpd rpf rpi rpk rpo rpp rpr rps rrd rrf rri rrk rrp rrr rrs rsd rsf rsi rsk rso rsp rsr rss sdd sdf sdi sdk sdo sdp sdr sds sfd sff sfi sfk sfo sfp sfr sfs sid sif sii sik sio sip sir sis sk- skd skf ski skk sko skp skr sks sod sof soi sok soo sop sor sos spd spf spi spk spo spp spr sps sr- srd srf sri srk sro srp srr srs ss- ssd ssf ssi ssk sso ssp ssr sss

dddd ddpo ddps ddss dfds dfrf dfri didi dido dids dif- diff difs diii diis diki diko diop dior dios dipo dipp dips dird dirk dirr dirs dis- disd disi disk diso disp diss dkid dod- dodd dodi dodo dods doff doid dois doki doko dood doof dook doop door doos dopo dopp dopr dops dord dorf dori dork doro dorp dorr dors dosi dosk doso doss dpos dprk dpsd drif drip drod drof drop drrs drsp dsdp dsdr dsif dsip dsos dspf dsps dsri dsrp dsrr dssi dssp f--k fdos ffff ffii ffps ffrr ffss fidf fido fids fiff fifi fifo fiii fiki fior fios fipp fips firk firs fisd fisi fisk fiss fofo foid fois foki food foof fook foos fopp fops for- ford fori fork foro forr fors fosi foso foss fprf frid frik frio frip fris frop fros frpd frps frso fsfi fsfo fspf fssf fssp iddo idfp idid idio idir idis idos idps idrf idro idsf idso idss ifid ifis ifor ifpo ifps ifrf ifri ifso ifsp iiii iiio iiis iioi iioo iiop iios iipf iirs iisd iisi iisp iisr ikid ikki ikko ikoo ikri iod- iodd iodo ioii ioio ioko ioof iooi iooo ioos iops iori iors ioso ipdi ipid ipkf ipko ipod ipop ipos ippf ippo ippr ipri ipsi ipso ipsp ipss irdo irdp irds iri- irid irio irip iris irki irks irod irop irps irri irrs irsf irsp isds isfp isis iskf isko iso- isof isok isop isor isos ispf ispr isps isri isrp issf issi isso issp issr isss k-id k-os kddd kddf kddi kddk kddr kdfi kdfo kdfr kdio kdis kdkd kdkk kdko kdkr kdok kdpi kdpr kdps kdrf kdri kdro kdrs kdsd kdsk kdsp kdsr kdss kfff kffk kfio kfir kfis kfok kfoo kfor kfpr kfrd kfri kfro kfrp kfrr kfrs kfsd kfsi kfsk kfsp kfsr kidd kidi kidk kido kidr kids kiff kifr kifs kiid kiii kiik kiip kiis kikd kikf kiki kikk kiko kikr kiod kioi kiok kioo kip- kipi kipo kipp kipr kips kirf kiri kirk kiro kirp kirr kirs kisd kisf kisi kisk kiso kisr kiss kkdd kkdo kkfi kkfr kkfs kkid kkik kkkk kkoo kkor kkpk kkps kkrf kkrk kkro kkrr kkrs kksd kksf kksi kksp kksr kkss kodi kodk kodo kods koff kofi kofk kofo kofp koii koir kokf koki kokk koko kokp kokr koks kooi kook kooo koop koor koos kopf kopi kopp kopr kops kord korf kori kork koro korr kors kos- kosd kosf kosi koso kosp kosr koss 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 kprs kpsd kpsf kpsi kpso kpsp krdd krdo krdr krds krfd krff krfo krfp krfs krid krik krio kris krkd krki krkk krko krkr krks krod krof kroi krok kroo krop kror kros krpi krpr krps krrf krri krrk krro krrr krrs krsd krsf krsk krsr krss ksdi ksdk ksdp ksdr ksds ksfi ksfo ksfr ksid ksif ksii ksik