i-v iii iio iip iir iis iit io- ioi ioo iop ior ios iot iov ipi ipo ipp ipr ips ipt ipv ipy ir- iri iro irp irr irs irt irv iry is- isi iso isp isr iss ist isv isy iti ito itp its itt itv ity ivi ivo ivp ivr ivs ivt ivv ivy iyo iyr iys iyt iyy o-i oii oio oip oir ois oit oiv oo- ooi ooo oop oor oos oot oov op- opi opo opp opr ops opt opv opy or- ori oro orp orr ors ort orv ory os- osi oso osp osr oss ost osv ot- oti oto otp otr ots ott otv ov- ovi ovo ovp ovs ovv oyi oyo oys p-p pii pio pip pir pis pit piv poi poo pop por pos pot pov poy ppi ppo ppp ppr pps ppt ppv pri pro prp prr prs prt prv pry ps- psi pso psp psr pss pst psv psy pt- pti pto ptp ptr pts ptt ptv pty pvi pvo pvp pvr pvs pvt pvv py- pyo pyr pys pyt rii rio rip rir ris rit riv riy roi roo rop ror ros rot rov roy rpi rpo rpp rpr rps rpt rpv rri rrp rrr rrs rrt rsi rso rsp rsr rss rst rsv rti rto rtp rtr rts rtt rtv rty rvi rvo rvp rvr rvs rvt rvv rvy ry- ryo ryr rys ryy sii sio sip sir sis sit siv soi soo sop sor sos sot sov soy spi spo spp spr sps spt spv spy sr- sri sro srp srr srs srt srv sry ss- ssi sso ssp ssr sss sst ssv sti sto stp str sts stt stv sty svi svo svp svr svs svt svv svy sy- syi syp syr sys syt tii tio tip tir tis tit tiv tiy to- toi too top tor tos tot tov toy tpi tpo tpp tpr tps tpt tpv tri tro trp trr trs trt trv try tsi tso tsp tsr tss tst tsv tsy tti tto ttp ttr tts ttt ttv tty tvi tvo tvp tvr tvs tvt tvy tyo typ tyr tys tyt vi- vii vio vip vir vis vit viv viy voi voo vop vor vos vot vov voy vpi vpo vpp vpr vps vpt vri vrp vrr vrs vrt vry vsi vso vsp vsr vss vst vsv vti vto vtr vts vtt vtv vty vvi vvo vvr vvs vvt vvv vyp vyt yii yio yip yir yis yit yoi yoo yop yor yos yot yoy ypo yps yro yrp yrs yrt ysi yso ysp ysr yss yst ysy yto ytp ytr yts ytt ytv yvi yvo yvr yvy yys yyt yyy

iiii iiio iiis iiit iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt ioii ioio ioit iooi iooo ioos iops iori iors ioso ioto ipop ipos ippo ippr ippy ipri ipsi ipso ipsp ipss ipto ipts iptv ipvs iri- irio irip iris iriy irop irov irps irri irrs irsp irti irtp irts irvs isis isit iso- isop isor isos ispr isps ispy isri isrp issi isso issp issr isss issy isti isto istp istr ists isty isys itis itoi itoo itor itos itri itrs itry itsi itso itsp itsy itto itty ivor ivrs ivry ivys iyos iypt oiii oios oirt oiry oist oiti oooo ooos oops oort oory oosi oost ootp oots ooty opii opio opis opit opo- opor opos oppi oppo opps oppy opry opsi opsy opti opto opts ori- orio oris orit oro- oror oros orot oroy orpi orps orri orro orrs orry orsi orso orsy orto orts orvr orvs orys osii osip osis osoi osoo osor osos osov osro ossi osso ossy osti ostr osts osyp osyt otis otit oto- otoo otor otos otov otoy otpp otro otrs otry otso otti otto otts otyr ovi- ovis ovo- ovoo ovot ovpp oyri oyss oyst piip piot pipi pipo pipp pips pipy piri piro pirr pirs piry pisi piso piss pist pisy piti pito pitr pits pitt pity pivo piyo piys poio pois poop poor poos poot pop- popi popo popp pops popt popy pori poro porr pors port pory posi poso poss post posy poti poto pots pott poty povo povs poyo poyr poys ppos pppo pppp ppps ppss ppts pptt pptv pri- prii pris priv pro- proo prop pros prot prov prps prri prrs prsi prso prss prsv prti prtp prtr prys psip psis psoi psos psov pspi pspp pspr psps psrp psso psst psts pstv psvt psy- psys ptop pvts pyo- pyos pyot pypy pyr- pyri pyro pyry pyss pyst pytt riis rios riot ripi ripp ripr rips ript riri rirs risi riso risp riss rist riti rito rits ritt rivo rivp rivs riyo roio roir rois roit rooi roop roor roos root ropo rops ropy rori roro rort rory rosi roso rosp ross rost rosy roti roto rotr rots rott roty rovi rovo rovs roys royt rpii rpos rpps rpts rrrr rrsp rsis rsos rspo rsps rstp rsts rsvp rtps rtss rttp rtts rtvi rvsp ryip ryis ryot rysy rytt ryyt s-ii s-iv s-os s-vt siit siop sior sios siot sipi sipo sipp sips sipt sipy siri siro sirp sirr sirs sirt sisi siss sist sisy sit- siti sito sits sitt sity sivi siyi soir sois soit soop soor soos soot sooy sopi sopo sopp sops sopy sori soro sorr sors sort sory sosi soso soss sost sosv soto sotp sots sovo sovs soyo soys soyt spio spip spir spis spit spiv spoo spop spor spos spot spoy spps spri spro sprs spry spso spsp spss spst spto sptr spts spy- spyr spys sris sros srps srpt srsp srtp srtr srtv ssis ssit ssop ssot sspo ssps sspt ssri ssrs sssi ssss sstp ssts ssvp st-v stio stip stir stis stit stoo stop stor stos stot stoy stpp stps stri stro strs stry stsi stss sttr stvs styr stys svir svit svor svoy svtr syis sypo syro syrs syrt syry syso syss syst sytt