rhh rhi rhl rho rhp rhr rhs rhu ric rid rif rih rii ril rio rip rir ris rlc rld rlf rlh rli rll rlo rlp rlr rls rlu roc rod rof roh roi rol roo rop ror ros rou rpc rpd rpf rph rpi rpl rpo rpp rpr rps rpu rrc rrd rrf rrh rri rrl rrp rrr rrs rru rsc rsd rsf rsh rsi rsl rso rsp rsr rss rsu ruc rud ruf ruh rui ruo rup rur rus ruu scc scd scf sch sci scl sco scp scr scs scu sdc sdd sdf sdh sdi sdl sdo sdp sdr sds sdu sfc sfd sff sfh sfi sfl sfo sfp sfr sfs sfu sh- shc shd shf shh shi shl sho shp shr shs shu sic sid sif sih sii sil sio sip sir sis siu slc sld slf slh sli sll slo slp slr sls slu soc sod sof soh soi sol soo sop sor sos sou spc spd spf sph spi spl spo spp spr sps spu sr- src srd srf srh sri srl sro srp srr srs ss- ssc ssd ssf ssh ssi ssl sso ssp ssr sss ssu suc sud suf suh sui sul suo sup sur sus suu ucc ucd ucf uch uci ucl uco ucp ucr ucs ucu udc udd udf udi udl udo udp udr uds udu ufc ufd uff ufh ufi ufl ufo ufp ufr ufs ufu uhc uhd uhf uhh uhi uhl uho uhp uhr uhs uhu uic uid uif uii uil uio uip uir uis uiu ulc uld ulf uli ull ulo ulp ulr uls ulu uoc uod uol uoo uop uor uos up- upc upd upf uph upi upo upp upr ups upu ur- urc urd urf uri url uro urp urr urs uru usc usd usf ush usi usl uso usp usr uss usu uuc uur uus uuu

-hou -ous c-cd cccc cccf ccci cccl cccp cccs cccu ccdc ccdf ccdh ccdi ccdp ccdr ccds ccfc ccfd ccff ccfi ccfl cchl cchp cchr cchs ccic ccid ccii ccil ccip ccir ccis cclc ccli ccls ccoc ccod ccpl ccpp ccpr ccps ccrc ccrf ccri ccrl ccrp ccrs ccsd ccsf ccsi ccsl ccsp ccss ccuc ccup ccus cd-r cdcs cddl cddr cdfs cdhs cdic cdii cdio cdis cdli cdls cdos cdps cdrs cdss cfcf cfcl cfco cfcs cfdp cfds cffr cfhs cfls cfor cfos cfpl cfpo cfpr cfps cfrp cfsi cfsl chch chci chcp chcs chdi chfc chfi chfr chfs chhs chic chid chif chih chil chip chir chis chiu chlc chlp chlr choc chod choh choi chol choo chop chor chos chou chpf chpp chpr chrc chrd chrf chro chrp chrr chrs chsc chsh chsi chsr chud chui chul chur chus cicc cich cici cico cicr cics cicu cidc cidi cidp cidr cids ciff cifl cifs cihr cihs ciid ciii ciis cili cill cilo cilp cils cior cios cipf cipo cipp cips circ cirh ciri cirl ciro cirr cirs cis- cisc cisd cish cisl cisp cisr ciss ciuc ciup cius clcd cldc cldr clhs clic clif clii clio clip clir clis clod clof cloo clop clor clos clou clpp clrd clri clro clrs clsc clud cluh coch coco cocp cocu codd codi codl cods cofc coff cofi cofs coho cohs coif coil coip coir cois col- cold coli coll colo colp cols colu cood coof cooh cool coop coos copd coph copi copo copp copr cops cor- corc cord corf cori corl coro corp corr cors cosc cosh cosi cosl coso cosp coss coud coul coup cour cous cpcs cpcu cpdl cpff cphl cphs cpic cpif cpio cplc cpls cpos cppd cpps cpri cprs cpsc cpsl cpso cpsr cpsu cpus crcc crcr crdc crfc crfl crfs crhs cric crif crip cris criu crlf crls croc crod croh crol croo crop cror crpc crps crsp crss crud crup crus cscc cscd cscf csch csci cscl csco cscr cscs csdp csdr csfc csfr cshl cshp cshs csid csio csir csis csld cslp cslr cslu csor csos cspc cspd cspi csps csrc csrd csrs cssd cssr csuf csup csur csus cucc cuci cudi cuds cufc cuff cufi cufo cui- cuif cuil cuir cuis culc culd cull culo culp culs cupl cupo cupp cupr cups curd curf curi curl curo curr curs cusd cush cuso cusp cuss cusu dccc dcci dccl dccp dccs dccu dcds dcfc dcfs dchs dcii dcil dcio dcis dcli dcls dcop dcos dcpl dcpo dcps dcsc dcss dcup dddd ddlc ddoc ddpo ddps ddrc ddss dfcc dfco dfcs dfcu dfds dfrf dfri dhcp dhfc dhfs dhis dhod dhol dhor dhpr dhps dhul dhur dich dici dico didi dido dids didu dif- diff difs dihu diii diis dilf dili dill dilo dils dioc diol diop dior dios diou dipc dipl dipo dipp dips dipu dird dirl dirr dirs dis- disc disd dish disi diso disp diss dius dlco dlcs dlii dlil dlis dlos dlrs doch doci doco docs docu dod- dodd dodi dodo dods doff dohc dohl dohr dohs doid doil dois dold dolf doli doll dolo dolp dols dolu dood doof dool doop door doos dopo dopp dopr dops dorc dord dorf dori doro dorp dorr dors doru dosh dosi doso doss douc doud douf doul doup dour dous dpci dpcp dphp dphs dpll dpls dpos dppc dpph dpsd dpsu drfc drhs dric drif drih dril drip drod drof droh drol drop drou drrs drsp drui drup drus druu dscc dsch dscp dscr dscs dsdp dsdr dsfc dshs dsif dsip dsls dsos dspf dsph dsps dsrc dsri dsrp dsrr dssc dssi dssp duch duco ducs dudd dudo duds dudu dufc duff dufu duhl duhr duhs duhu duid duif duil duir duis dulc duli dull dulo dulu duo- duos dupo duri duro duru dush dusi duul duur fccf fcch fccp fcds fchs fcic fcii fcps fcsc fcsl fcup fdhs fdic fdlr fdoc fdos ffcc ffff ffhs ffii ffps ffrr ffss fhci fhfs fhhs fhrs fhss fhup ficc fich fico fics fidc fidf fido fids fifc fiff fifi fifo