-up ddd ddo ddp ddr dds ddt ddu dod doo dop dor dos dot dou dpd dpo dpp dpr dps dpt dpu drd dro drp drr drs drt dru dsd dso dsp dsr dss dst dsu dtd dto dtp dtr dts dtt dtu dud duo dup dur dus dut odd odo odp odr ods odt odu oo- ood ooo oop oor oos oot op- opd opo opp opr ops opt or- ord oro orp orr ors ort oru os- osd oso osp osr oss ost osu ot- otd oto otp otr ots ott otu ou- oud ouo oup our ous out p-p pdd pdo pdp pdr pds pdt pdu pod poo pop por pos pot pou ppd ppo ppp ppr pps ppt ppu prd pro prp prr prs prt pru ps- psd pso psp psr pss pst psu pt- ptd pto ptp ptr pts ptt ptu pud pup pur pus put puu rdd rdo rdp rdr rds rdt rdu rod roo rop ror ros rot rou rpd rpo rpp rpr rps rpt rpu rrd rrp rrr rrs rrt rru rsd rso rsp rsr rss rst rsu rtd rto rtp rtr rts rtt rtu rud ruo rup rur rus rut ruu sdd sdo sdp sdr sds sdt sdu sod soo sop sor sos sot sou spd spo spp spr sps spt spu sr- srd sro srp srr srs srt ss- ssd sso ssp ssr sss sst ssu std sto stp str sts stt stu sud suo sup sur sus sut suu tdd tdo tdp tdr tds tdt tdu to- tod too top tor tos tot tou tpd tpo tpp tpr tps tpt tpu trd tro trp trr trs trt tru tsd tso tsp tsr tss tst tsu ttd tto ttp ttr tts ttt ttu tud tuo tup tur tus tut tuu udd udo udp udr uds udt udu uod uoo uop uor uos uot up- upd upo upp upr ups upt upu ur- urd uro urp urr urs urt uru usd uso usp usr uss ust usu utd uto utp utr uts utt utu uur uus uut uuu

-ous dddd ddot ddpo ddps ddss ddts dod- dodd dodo dods dood doop door doos doot dopo dopp dopr dops dopt dord doro dorp dorr dors dort doru doso doss dost dotd doto dots dott doud doup dour dous dout dpdt dpos dpsd dpst dpsu dpts drod drop drot drou drrs drsp drup drus drut druu dsdp dsdr dsos dsps dspt dsrp dsrr dssp dsst dsto dsts dtdp dtor dtot dtss dttp dudd dudo duds dudu duo- duos dupo duro durt duru dust dutp duts duur duut oddd odds odoo odop odor odos odot odou odrp odso odts odtu odur odus oooo ooos oops oord oort oost ootp oots oous opds opo- opor opos oppo opps opsu opto opts opus ordo ords ordu oro- oror oros orot orps orro orrs orso orsu orto orts orup orus osoo osor osos osrd osro ossd osso ossu ostr osts oto- otoo otor otos otpp otro otrs otso otsu otto otts ottu otur otus ouds our- ouro ours ourt ousd oust out- outo outs ouu- pdos pdpr pdrs pdsd pdss pod- podd podo pods podu pood poop poor poos poot pop- popo popp pops popt poro porr pors port poso poss post potd poto pots pott potu poud poup pour pous pout ppds ppod ppos pppd pppo pppp ppps ppru ppss ppts pptt ppur pro- prod proo prop pros prot prou prpd prps prrd prrs prsd prso prss prtp prtr prud prus prut pruu psdp psdr psds psos psou pspp pspr psps psrd psrp psso psst psts pstu ptop ptpd ptrd ptsd pudo puds pudu pups pupu pur- puro purp purr purs puru pusd puss pust put- puto puts putt putu rdos rdso rodd rodo rods rood roop roor roos root ropo rops roro rort roru roso rosp ross rost roto rotr rots rott roud roup rous rout rpdp rpos rpps rptd rpts rrrr rrsp rsdd rsds rsos rspo rsps rstp rsts rstu rtdt rtps rtss rttp rtts rudd rudo rudp ruds rupp rupt rurd ruro rurp rurs ruru ruso russ rust rusu ruto ruts rutt rutu ruud s-os sdds sdot sdpr sdps sdrs sdss sdsu sodd sodo sods sodu sood soop soor soos soot sopd sopo sopp sops sopu sord soro sorr sors sort soru soso soss sost soto sotp sots sotu soud soup sour sous sout spdp spdr spdt spod spoo spop spor spos spot sppd spps sprd spro sprs spsd spso spsp spss spst spto sptr spts spud spur spus sput sros srps srpt srsd srsp srtp srtr ssdd ssdp ssop ssot sspo ssps sspt ssrs ssss sstd sstp ssts stds stod stoo stop stor stos stot stou stpd stpp stps strd stro strs stru stss sttd sttr stud stup stur stus stut sudd sudo suds suor suos sup- supo supp supr sups supt sur- surd suro surp surr surs surt suru sus- susd suso susp suss sust susu suto sutu suus tdor tdss todd todo tods todt todu tood toor toos toot top- topd topo topp tops topt topu tord toro torp torr tors tort toru toso toss tost tosu totd toto totr tots tott toup tour tous tout tpdu tppd tppp tppr tprs tptp tptr tput trod troo trop tros trot trou trpp trps trsd trst trtr trud trus trut truu tsop tsos tsou tspo tsps tspt tssr tsst tsts tsup ttop ttss tttt tudu tuor tuos tupo tups tupu turd turo turp turr turs turt turu tusd tuss tust tuto tuts tutt tutu tuuo u-rp udds udoo udop udos udot udpd udsd udts uor- updo upor upos uppp uppu upto upup urds urdu uro- uroo urpo urso urss ursu urts urup urur urus urut usdo usdp usds usdt usos uspo uspp usps ussr usss usst ussu usto ustp usts usus utor utpd utto uttu uuuu

d-dot d-rod ddddd ddost do-do dodds dodoo dodos dodro doodo doods doors doost doout dordt doros dorot dorps dorrs dors- dorso dorst dorts dorud dorus dosso