oik oil oio oip oir ois oit oiu okc okd oke oki okk okl oko okp okr oks oku okw olc old ole oli olk oll olo olp ols olt olu olw oo- ooc ood ooi ook ool ooo oop oor oos oot oow op- opc opd ope opi opk opl opo opp opr ops opt opw or- orc ord ore ori ork orl oro orp orr ors ort oru os- osc osd ose osi osk osl oso osp osr oss ost osu osw ot- otc otd ote oti otk otl oto otp otr ots ott otu otw ou- ouc oud oue oui ouk oul ouo oup our ous out owc owd owe owi owk owl owo owp ows owt owu oww p-p pcc pcd pce pci pck pcl pco pcp pcr pcs pct pcu pcw pdc pdd pde pdi pdk pdl pdo pdp pdr pds pdt pdu pec ped pee pei pek pel peo pep per pes pet peu pew pic pid pie pii pik pil pio pip pir pis pit piu piw pkc pkd pke pki pkl pko pkp pkr pks pkt pku plc pld ple pli plk pll plo plp plr pls plt plu plw poc pod poe poi pok pol poo pop por pos pot pou pow ppc ppd ppe ppi ppk ppl ppo ppp ppr pps ppt ppu ppw prc prd pre pri prk prl pro prp prr prs prt pru prw ps- psc psd pse psi psk psl pso psp psr pss pst psu psw pt- ptc ptd pte pti ptk ptl pto ptp ptr pts ptt ptu ptw puc pud pue pui puk pul pup pur pus put puu pwc pwd pwe pwi pwl pwo pwp pwr pws pwt pwu rcc rcd rce rci rcl rco rcp rcr rcs rct rcu rcw rdc rdd rde rdi rdl rdo rdp rdr rds rdt rdu re- rec red ree rei rek rel reo rep rer res ret reu rew ric rid rie rii rik ril rio rip rir ris rit rkc rke rkk rko rkp rks rkt rku rlc rld rle rli rll rlo rlp rlr rls rlt rlu rlw roc rod roe roi rok rol roo rop ror ros rot rou row rpc rpd rpe rpi rpk rpl rpo rpp rpr rps rpt rpu rpw rrc rrd rri rrk rrl rrp rrr rrs rrt rru rsc rsd rse rsi rsk rsl rso rsp rsr rss rst rsu rsw rtc rtd rte rti rtk rtl rto rtp rtr rts rtt rtu rtw ruc rud rue rui ruk ruo rup rur rus rut ruu rwc rwd rwe rwi rwl rwr rws rwu scc scd sce sci sck scl sco scp scr scs sct scu scw sdc sdd sde sdi sdk sdl sdo sdp sdr sds sdt sdu sdw se- sec sed see sei sek sel seo sep ser ses set seu sew sic sid sie sii sik sil sio sip sir sis sit siu siw sk- skc skd ske ski skk skl sko skp skr sks skt sku skw slc sld sle sli slk sll slo slp slr sls slt slu soc sod soe soi sok sol soo sop sor sos sot sou sow spc spd spe spi spk spl spo spp spr sps spt spu spw sr- src srd sre sri srk srl sro srp srr srs srt srw ss- ssc ssd sse ssi ssk ssl sso ssp ssr sss sst ssu ssw stc std ste sti stk stl sto stp str sts stt stu stw suc sud sue sui suk sul suo sup sur sus sut suu suw swc swd swe swi swk swl swo swp swr sws swt swu tcc tcd tce tci tck tcl tco tcp tcr tcs tct tcu tcw tdc tdd tde tdi tdk tdl tdo tdp tdr tds tdt tdu tdw te- tec ted tee tei tek tel teo tep ter tes tet teu tew tic tid tie tii tik til tio tip tir tis tit tiu tiw tkc tke tkk tkl tko tkp tkr tks tkt tkw tlc tld tle tli tlk tll tlo tlp tlr tls tlt tlu tlw to- toc tod toe toi tok tol too top tor tos tot tou tow tpc tpd tpe tpi tpk tpl tpo tpp tpr tps tpt tpu tpw trc trd tre tri trk trl tro trp trr trs trt tru trw tsc tsd tse tsi tsk tsl tso tsp tsr tss tst tsu tsw ttc ttd tte tti ttk ttl tto ttp ttr tts ttt ttu ttw tuc tud tue tui tuk tul tuo tup tur tus tut tuu twc twd twe twi twl two twp twr tws twt twu tww ucc ucd uce uci uck ucl uco ucp ucr ucs uct ucu ucw udc udd ude udi udk udl udo udp udr uds udt udu uec ued uee uei uel uep uer ues uet uew uic uid uie uii uil uio uip uir uis uit uiu ukc uke uki ukk ukl ukp ukr uku ulc uld ule uli ulk ull ulo ulp ulr uls ult ulu uoc uod uoe uok uol uoo uop uor uos uot uow up- upc upd upe upi upk upo upp upr ups upt upu upw ur- urc urd ure uri urk url uro urp urr urs urt uru urw usc usd use usi usk usl uso usp usr uss ust usu usw utc utd ute uti utk utl uto utp utr uts utt utu uuc uue uur uus uut uuu uwc uwe uwl uwp uwr uws uww wcc wcd wce wci wck wcl wco wcp wcr wcs wct wcu wcw wdc wdi wdl wdp wdr wds wdt wdu wec wed wee wei wek wel weo wep wer wes wet wew wic wid wie wii wik wil wip wir wis wit wiu wkc wkd wke wko wkp wkr wks wkt wkw wl- wlc wle wli wll wlo wlp wlr wls wlt wlu wlw woc wod woe woi wok wol woo wop wor wos wot wou wow wpc wpd wpe wpi wpk wpl wpo wpp