nrm nrn nro nrp nrr nrs nrt nsa nsd nse nsg nsi nsm nsn nso nsp nsr nss nst nta ntd nte ntg nti ntm ntn nto ntp ntr nts ntt o-i oaa oad oae oag oai oam oan oao oap oar oas oat oda odd ode odg odi odm odn odo odp odr ods odt oea oed oee oeg oei oem oen oeo oep oer oes oet oga ogd oge ogg ogi ogn ogo ogp ogs ogt oia oid oie oii oim oin oio oip oir ois oit om- oma omd ome omg omi omm omn omo omp omr oms omt on- ona ond one ong oni onn ono onp onr ons ont oo- ooa ood oog ooi oom oon ooo oop oor oos oot op- opa opd ope opg opi opm opn opo opp opr ops opt or- ora ord ore org ori orm orn oro orp orr ors ort os- osa osd ose osg osi osm osn oso osp osr oss ost ot- ota otd ote otg oti otm otn oto otp otr ots ott p-p paa pad pae pag pai pam pan pao pap par pas pat pda pdd pde pdg pdi pdm pdn pdo pdp pdr pds pdt pea ped pee peg pei pem pen peo pep per pes pet pga pgd pge pgg pgi pgm pgn pgo pgp pgr pgs pgt pia pid pie pig pii pim pin pio pip pir pis pit pma pmd pme pmg pmi pmm pmn pmo pmp pmr pms pmt pn- pna pnd pne png pni pnm pnn pno pnp pnr pns pnt poa pod poe pog poi pom pon poo pop por pos pot ppa ppd ppe ppg ppi ppm ppn ppo ppp ppr pps ppt pra prd pre prg pri prm prn pro prp prr prs prt ps- psa psd pse psg psi psm psn pso psp psr pss pst pt- pta ptd pte ptg pti ptm ptn pto ptp ptr pts ptt ra- raa rad rae rag rai ram ran rao rap rar ras rat rda rdd rde rdg rdi rdm rdn rdo rdp rdr rds rdt re- rea red ree reg rei rem ren reo rep rer res ret rga rgd rge rgg rgi rgn rgo rgp rgr rgs rgt ria rid rie rig rii rim rin rio rip rir ris rit rma rmd rme rmg rmi rmm rmn rmo rmp rmr rms rmt rna rnd rng rni rnm rnn rno rnp rnr rns rnt roa rod roe rog roi rom ron roo rop ror ros rot rpa rpd rpe rpg rpi rpm rpn rpo rpp rpr rps rpt rra rrd rrg rri rrm rrn rrp rrr rrs rrt rsa rsd rse rsg rsi rsm rsn rso rsp rsr rss rst rta rtd rte rtg rti rtm rtn rto rtp rtr rts rtt saa sad sae sag sai sam san sao sap sar sas sat sda sdd sde sdg sdi sdm sdn sdo sdp sdr sds sdt se- sea sed see seg sei sem sen seo sep ser ses set sga sgd sge sgg sgi sgm sgn sgo sgp sgr sgs sgt sia sid sie sig sii sim sin sio sip sir sis sit sma smd sme smg smi smm smn smo smp smr sms smt sna snd sne sng sni snm snn sno snp snr sns snt soa sod soe sog soi som son soo sop sor sos sot spa spd spe spg spi spm spn spo spp spr sps spt sr- sra srd sre srg sri srm srn sro srp srr srs srt ss- ssa ssd sse ssg ssi ssm ssn sso ssp ssr sss sst sta std ste stg sti stm stn sto stp str sts stt taa tad tae tag tai tam tan tao tap tar tas tat tda tdd tde tdg tdi tdm tdn tdo tdp tdr tds tdt te- tea ted tee teg tei tem ten teo tep ter tes tet tga tge tgg tgi tgm tgn tgo tgp tgr tgs tgt tia tid tie tig tii tim tin tio tip tir tis tit tma tmd tme tmg tmi tmm tmn tmo tmp tmr tms tmt tna tnd tne tng tni tnm tnn tno tnp tnr tns tnt to- toa tod toe tog toi tom ton too top tor tos tot tpa tpd tpe tpg tpi tpm tpn tpo tpp tpr tps tpt tra trd tre trg tri trm trn tro trp trr trs trt tsa tsd tse tsg tsi tsm tsn tso tsp tsr tss tst tta ttd tte ttg tti ttm ttn tto ttp ttr tts ttt