npt nra nrd nre nri nrl nrm nrn nro nrp nrr nrs nrt nsa nsd nse nsi nsl nsm nsn nso nsp nsr nss nst nta ntd nte nti ntm ntn nto ntp ntr nts ntt o-i oaa oad oae oai oal oam oan oao oap oar oas oat oda odd ode odi odl odm odn odo odp odr ods odt oea oed oee oei oel oem oen oeo oep oer oes oet oia oid oie oii oil oim oin oio oip oir ois oit ola old ole oli oll olm oln olo olp ols olt om- oma omd ome omi oml omm omn omo omp omr oms omt on- ona ond one oni onl onn ono onp onr ons ont oo- ooa ood ooi ool oom oon ooo oop oor oos oot op- opa opd ope opi opl opm opn opo opp opr ops opt or- ora ord ore ori orl orm orn oro orp orr ors ort os- osa osd ose osi osl osm osn oso osp osr oss ost ot- ota otd ote oti otl otm otn oto otp otr ots ott p-p paa pad pae pai pal pam pan pao pap par pas pat pda pdd pde pdi pdl pdm pdn pdo pdp pdr pds pdt pea ped pee pei pel pem pen peo pep per pes pet pia pid pie pii pil pim pin pio pip pir pis pit pla pld ple pli pll plm pln plo plp plr pls plt pma pmd pme pmi pml pmm pmn pmo pmp pmr pms pmt pn- pna pnd pne pni pnl pnm pnn pno pnp pnr pns pnt poa pod poe poi pol pom pon poo pop por pos pot ppa ppd ppe ppi ppl ppm ppn ppo ppp ppr pps ppt pra prd pre pri prl prm prn pro prp prr prs prt ps- psa psd pse psi psl psm psn pso psp psr pss pst pt- pta ptd pte pti ptl ptm ptn pto ptp ptr pts ptt ra- raa rad rae rai ral ram ran rao rap rar ras rat rda rdd rde rdi rdl rdm rdn rdo rdp rdr rds rdt re- rea red ree rei rel rem ren reo rep rer res ret ria rid rie rii ril rim rin rio rip rir ris rit rla rld rle rli rll rlm rln rlo rlp rlr rls rlt rma rmd rme rmi rml rmm rmn rmo rmp rmr rms rmt rna rnd rni rnm rnn rno rnp rnr rns rnt roa rod roe roi rol rom ron roo rop ror ros rot rpa rpd rpe rpi rpl rpm rpn rpo rpp rpr rps rpt rra rrd rri rrl rrm rrn rrp rrr rrs rrt rsa rsd rse rsi rsl rsm rsn rso rsp rsr rss rst rta rtd rte rti rtl rtm rtn rto rtp rtr rts rtt saa sad sae sai sal sam san sao sap sar sas sat sda sdd sde sdi sdl sdm sdn sdo sdp sdr sds sdt se- sea sed see sei sel sem sen seo sep ser ses set sia sid sie sii sil sim sin sio sip sir sis sit sla sld sle sli sll slm sln slo slp slr sls slt sma smd sme smi sml smm smn smo smp smr sms smt sna snd sne sni snl snm snn sno snp snr sns snt soa sod soe soi sol som son soo sop sor sos sot spa spd spe spi spl spm spn spo spp spr sps spt sr- sra srd sre sri srl srm srn sro srp srr srs srt ss- ssa ssd sse ssi ssl ssm ssn sso ssp ssr sss sst sta std ste sti stl stm stn sto stp str sts stt taa tad tae tai tal tam tan tao tap tar tas tat tda tdd tde tdi tdl tdm tdn tdo tdp tdr tds tdt te- tea ted tee tei tel tem ten teo tep ter tes tet tia tid tie tii til tim tin tio tip tir tis tit tla tld tle tli tll tlm tln tlo tlp tlr tls tlt tma tmd tme tmi tml tmm tmn tmo tmp tmr tms tmt tna tnd tne tni tnl tnm tnn tno tnp tnr tns tnt to- toa tod toe toi tol tom ton too top tor tos tot tpa tpd tpe tpi tpl tpm tpn tpo tpp tpr tps tpt tra trd tre tri trl trm trn tro trp trr trs trt tsa tsd tse tsi tsl tsm tsn tso tsp tsr tss tst tta ttd tte tti ttl ttm ttn tto ttp ttr tts ttt